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Provided is a clamp for clamping to sheet material, such as tarps. The clamp includes first and second clamping members each having a gripping portion that clamp the sheet material between one another in a clamped position. The first and second clamping members are held in the clamped position by an

Provided is a clamp for clamping to sheet material, such as tarps. The clamp includes first and second clamping members each having a gripping portion that clamp the sheet material between one another in a clamped position. The first and second clamping members are held in the clamped position by an interaction between radial locking teeth on a deflectable release lever of one of the clamp members and a tooth in a slot of the other clamping member.

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1. A clamp for clamping sheet material, the clamp including: a first clamp member having a surface, a gripping portion on the surface, and a deflectable release lever extending substantially perpendicular from the surface and having a plurality of radial locking teeth; anda second clamp member conne

1. A clamp for clamping sheet material, the clamp including: a first clamp member having a surface, a gripping portion on the surface, and a deflectable release lever extending substantially perpendicular from the surface and having a plurality of radial locking teeth; anda second clamp member connectable to the first clamp member, the second clamp member having a surface with first and second ends, a flexible portion extending from the first end of the surface, a gripping portion on the flexible portion facing the gripping portion on the surface of the first clamp member, and a slot extending through the surface, wherein the flexible portion is resilient and configured to apply a biasing force on the gripping portions,wherein the slot is configured to receive the deflectable release lever and includes a tooth that engages the radial locking teeth of the deflectable release lever to hold the clamp members in a closed position. 2. The clamp according to claim 1, wherein the gripping portions of the first and second clamp member are movable towards one another in a first direction from an open position to the closed position to clamp the sheet material therebetween. 3. The clamp according to claim 2, wherein the deflectable release lever is deflectable away from the tooth of the slot in a second direction substantially perpendicular to the first direction to allow the clamp members to be separated. 4. The clamp according to claim 1, wherein the slot is movable along the release lever teeth to vary the gripping pressure between the first and second clamp members. 5. The clamp according to claim 1, wherein one of the first and second clamp members includes a swivel joint and the other includes a hinge receptacle configured to receive the swivel joint. 6. The clamp apparatus of claim 5, wherein the swivel joint and hinge receptacle are configured to allow a relative opening and closing motion between the first clamp member and the second clamp member when the swivel joint and hinge receptacle are engaged. 7. The clamp according to claim 1, wherein the second clamp member includes a utility loop configured to receive a securing device. 8. The clamp according to claim 1, wherein the deflectable release lever is curved. 9. The clamp according to claim 1, wherein the release lever and slot are configured to allow the radial locking teeth to disengage the tooth of the slot when a minimum critical level of force is applied to the release lever in a radial direction away from the tooth allowing a relative opening between the first clamp member and the second clamp member. 10. The clamp according to claim 1, wherein the first and second gripping portions each include a plurality of teeth. 11. The clamp according to claim 1, wherein the flexible portion includes a curved portion extending from the first end of the surface and a flat portion extending toward the second end of the surface. 12. The clamp according to claim 11, wherein the gripping portion of the second clamp member is provided on the flat portion. 13. A clamp for clamping sheet material, the clamp including: a first clamp member having a surface, a gripping portion on the surface, and a deflectable release lever extending substantially perpendicular from the surface and having a plurality of radial locking teeth; anda second clamp member connectable to the first clamp member, the second clamp member having a surface, a gripping portion on the surface facing the gripping portion on the surface of the first clamp member, and a slot extending through the second clamp member,wherein the slot is configured to receive the deflectable release lever and includes a tooth that engages the radial locking teeth of the deflectable release lever to hold the clamp members in a closed position, andwherein the gripping portion of the second clamp member further includes a hook-shaped portion arranged such that a curve of the hook-shaped portion connects to a flat lower portion of the gripping portion of the second clamp member that includes a plurality of teeth for engaging teeth on the gripping portion of the first clamp member. 14. The clamp according to claim 13, wherein the hook-shaped portion of the second clamp member is configured to apply a biasing force against pressure exerted by engagement of the first clamp member and the second clamp member. 15. A clamp for clamping sheet material, the clamp including: a first clamp member having a surface defining a plane, a gripping portion on the surface, a deflectable release lever extending substantially perpendicular from the surface and having a plurality of radial locking teeth, and a swivel joint extending in the plane such that first and second ends of the swivel joint extend in a direction perpendicular to the deflectable release lever, wherein the first end of the swivel joint is integrally formed with the surface at an end of the surface opposite the gripping portion and the second end of the swivel joint is axially spaced from the surface forming a gap between the second end of the swivel joint and the surface; anda second clamp member connectable to the first clamp member, the second clamp member having a surface, a gripping portion on the surface facing the gripping portion on the surface of the first clamp member, a slot extending through the second clamp member, and a hinge receptacle configured to receive the swivel joint,wherein the slot is configured to receive the deflectable release lever and includes a tooth that engages the radial locking teeth of the deflectable release lever to hold the clamp members in a closed position. 16. The clamp according to claim 15, wherein the gap provides a space for a portion of the second clamp member when the first and second clamp members are moved relative to one another. 17. The clamp according to claim 15, wherein the second end of the swivel joint has a larger diameter than the first end of the swivel joint. 18. The clamp according to claim 15, wherein a portion of the hinge receptacle defines a cavity to receive the second end of the swivel joint. 19. The clamp according to claim 18, wherein the hinge receptacle has an open area adjacent the cavity through which a portion of the surface integrally formed with the swivel joint extends. 20. The clamp according to claim 18, wherein the portion of the hinge receptacle defining the cavity is sized to move in the gap between the second end of the swivel joint and the surface.