Our shock cords are designed to be used without any metal clips or shackles. Using a simple "sheet bend" or "double sheet bend" knot, you can quickly connect and disconnect from your shooting line, reel line, etc. 
Made with a single piece of high-strength, abrasion-resistant dyneema line. 
Silent design compared to standard shock cords which have metal pieces knocking into the barrel. 
 
Can a shock cord be used with the TAG two-piece spearguns? YES!
 
The shooting line connects to the hole on the front of the handle, then is routed up through the muzzle, and the shock cord attached when the shooting line is routed back towards the line release. This ensures the speargun is not pulled apart by a large fish. Alternatively, the shock cord can be installed right at the handle.