Strap for use between lead vest and belt that prevents the vest from slipping up during diving. The strap is tied to the back of the vest and the ball is placed under the belt. This fits all lead vests that have a fastening ring at the bottom of the back, this includes the lead vests from Frivannsliv and Sporasub.
on the lead vests from Saplast, this is included in the package.
