Hook and Eye Clasp. The hook and eye clasp is a simple hook on one end of the bracelet or necklace and an eye piece on the other end which is usually shaped like a figure eight. Hook and eye clasps work well for both necklaces and bracelets but is typically not as secure as other clasps such as the spring clasp.
A Climberâs Guide to Carabiners. Carabiners are the unsung heroes of the climbing world. They get beat up and save thousands of climbersâ lives day after day, all without the slightest nod of gratitude or appreciation for their ingenious form and function. A carabiner is a loop of metal with a spring-loaded gate that opens and shuts.
The M1 carbine (formally the United States Carbine, Caliber .30, M1) is a lightweight, easy to use semi-automatic carbine that became a standard firearm for the U.S. military during World War II, the Korean War and the Vietnam War, and was produced in several variants.riginal Korean War era USMC M3 Sniperscope. The M3 carbine was an M2 carbine fitted with a mount designed to accept an infrared sight for use at night. It was initially used with the M1 sniperscope, an active infrared sight, and saw action in 1945 with the Army during the invasion of Okinawa.