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A device for spearfishing, which device may include a barrel including a first end and a second end, the barrel defining a spear conduit and two band conduits, the spear conduit and the two band conduits extending with the barrel from the first end to the second end. The spear conduit may be coaxial

A device for spearfishing, which device may include a barrel including a first end and a second end, the barrel defining a spear conduit and two band conduits, the spear conduit and the two band conduits extending with the barrel from the first end to the second end. The spear conduit may be coaxial with the longitudinal axis of the barrel. The spear conduit may be located between the two band conduits, and each of the band conduits may be parallel to the spear conduit. The barrel may define a recessed groove, which may extend from the first end of the barrel to the second end of the barrel. The device may further include a handle or other accessories that are releasably engaged with the recessed groove. The device may further include band attachment means, such as a cone-shaped plug, for releasably coupling a band to the barrel.

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1. A spearfishing device, the device comprising: an elongate barrel including a first planar end, a second planar end, a first surface, a second surface, a third surface, and a fourth surface, the barrel including a length along a shooting axis and a width across the shooting axis with the length be

1. A spearfishing device, the device comprising: an elongate barrel including a first planar end, a second planar end, a first surface, a second surface, a third surface, and a fourth surface, the barrel including a length along a shooting axis and a width across the shooting axis with the length being greater than the width, the barrel defining a spear conduit along the shooting axis and two band conduits that are parallel to the spear conduit, each of the spear conduit and the two band conduits extending entirely within the barrel from the first planar end to the second planar end, and each of the first, second, third, and fourth surfaces extending from the first planar end to the second planar end. 2. The device of claim 1, wherein the spear conduit is coaxial with the shooting axis. 3. The device of claim 2, wherein the spear conduit is located between the two band conduits. 4. The device of claim 1, wherein the first and second surfaces are flattened. 5. The device of claim 4, wherein at least one of the first and second surfaces defines a recessed groove. 6. The device of claim 5, wherein the recessed groove extends from the first planar end of the barrel to the second planar end of the barrel. 7. The device of claim 5, wherein the recessed groove has a T-shaped cross section. 8. The device of claim 5, further comprising a handle that is releasably engaged with the recessed groove, the handle having a shape selected from the group consisting of a spool-shaped handle, a fin-shaped handle, and a pistol-style handle. 9. The device of claim 1, wherein the third and fourth surfaces are rounded. 10. A spearfishing device, the device comprising: a barrel including: a spear conduit being located entirely within the barrel and defining a longitudinal shooting axis, a length along the longitudinal shooting axis, and a width across the longitudinal shooting axis, the length being greater than the width;a first band conduit and a second band conduit, each of the first and the second band conduits being located entirely within the barrel and defining a longitudinal axis that is substantially parallel to the longitudinal shooting axis of the spear conduit, each of the first and the second band conduits defining a length along the longitudinal axis, and a width across the longitudinal axis, the length being greater than the width, the length of the spear conduit, the length of the first band conduit, and the length of the second band conduit being the same; anda first planar surface and a second planar surface, each planar surface defining a first opening, a second opening, and a third opening, the spear conduit extending between the second opening of the first planar surface and the second opening of the second planar surface, each planar surface being substantially orthogonal to the longitudinal shooting axis of the spear conduit. 11. The device of claim 10, further including a band having a first end and a second end, the first end being attached to the third opening of the second planar surface and the second end being attached to the first opening of the second planar surface, a first portion of the band passing through the third opening of the first planar surface and a second portion of the band passing through the first opening of the first planar surface. 12. The device of claim 11, further including a handle integrated with the spear conduit. 13. The device of claim 11, further including a base coupled to the first planar surface and the second planar surface and a pistol-style handle that is coupled to the base. 14. A spearfishing device, the device comprising: a barrel including a first flattened surface, a second flattened surface, a first rounded surface, a second rounded surface, a shooting axis, a first end having a first planar surface, a second end having a second planar surface, a length along the shooting axis, and a width across the shooting axis, the length being greater than the width and extending from the first planar surface to the second planar surface;a spear conduit defined within the barrel along the shooting axis and extending from the first end planar surface to the second end planar surface;a first band conduit and a second band conduit, each band conduit being defined within the barrel and extending from the first end planar surface to the second end planar surface, the spear conduit being located between and parallel to the first and second band conduits;a band having a first end and a second end, a first portion of the band being disposed within the first band conduit and a second portion of the band being disposed within the second band conduit;a first band attachment means coupling the first end of the band to the barrel at the second end planar surface of the barrel and a second band attachment means coupling the second end of the band to the barrel at the second end planar surface of the barrel, such that the band passes within the first band conduit from the first band attachment means to the first end of the barrel, out of the first band conduit at the first end of the barrel, into the second band conduit at the first end of the barrel, and within the second band conduit from the first end of the barrel to the second band attachment means; andat least one recessed groove defined in at least one of the first flattened surface and the second flattened surface of the barrel. 15. The device of claim 14, wherein each of the first and second band attachment means is a plug including a longitudinal axis, a body portion, and a head portion. 16. The device of claim 15, wherein the plug body portion is cone shaped. 17. The device of claim 16, wherein the head portion defines a face that is substantially orthogonal to the longitudinal axis of the body portion. 18. The device of claim 17, wherein the plug further includes a linear threaded conduit that extends within the plug from the face to a location within the body portion.