The name carabiner is a reminder of its use, as the hooks made it possible to release the carabiner quickly. Snap hooks have a springy tongue that allows them to be hooked in and out quickly.  Compared to a simple open hook, the snap hook has the advantage that it cannot open automatically or slide out of a ring. The straps of business and travel bags are usually equipped with carrying straps. These are not permanently attached to the bag but are usually attached to rings on the side with snap hooks.  So the buyer can use his bag without a strap or be able to remove it. Snap hooks…