Highline webbing Webbing can become unsafe much earlier for other reasons – abrasion, excessive use and harsh conditions can all lead to an early retirement (consider making a slack rag). Using A Single Piece of Webbing for Main and Backup. This is the most fun, bounciest, softest, roundest polyester highline webbing we've ever made. 2-4m high). Days of use are also those days, when the webbing is simply set up, exposed to wind and weather, without anyone walking on the line. COSMIC is a semi challenging tubular webbing, strong but light and produced with smooth edges. The SLACKTIVITY longline sets are characterized by ease of use, safety, reliability and quality. All the safety rules and good practices for highlining should be followed (E. Slack Mountain is at your disposal for any questions, you will find slackline categories as well as longline for all relevant and adapted material. With a weight of 54g/m, this ISA certified highline webbing is super light to carry around and has perfect characteristics. nltfbthxbbbqysshiqfkrpvmohmwbawmncncdjirzlhjidlspygodjiqmwxcyqbnaioyghcy