Longline webbing The SLACKTIVITY longline sets are characterized by ease of use, safety, reliability and quality. Lightweight Longline Kit. g. Parsec is our awesome Polyester Webbing for all your very ambitious longline and highline projects. Among the diverse offer, it is possible to choose a more elastic, challenging and fun longline webbing, a less dynamic one, a heavier or lighter line, for more challenging or ambitious projects. If you want to filter it, just click on highline or longline. As any other kind of slackline, the ratchets, tensioning systems or webbing anchors must be a backed up. Sep 1, 2021 ยท ISA Certificate. Unfortunately it’s superior abrasion resistance makes the webbing a bit slippery. The Polyamide-Tubular webbing is optimal for everybody who likes soft, stretchy lines. kmywcwtxyvetlczxcwnvubjbxrhyyqmalhqjpgvqpitmpbsgkmorddotowoefcaeksyajofz