You spend way too much money on your tools to drop them in the surf. Get an EvilStevel Lanyard and don't worry about losing anything off your surf belt anymore.
Evil Lanyards are made with a heavy duty bungie and stainless steel hardware. They come in two lengths, 23 inches and 32 inches. The 24 inch lanyard has a large heavy duty split ring at the end, while the 32 inch lanyard has a heavy duty clip at one end and a heavy duty split ring at the other.
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov.