This innovative item directly integrated to the boom is an Original design from LISA Windsurfing.
Very fast and efficient to hook the sail clew, this quarter revolution part can also be released from the rope in a few seconds.
Fits all the sails
0ne second hooking on the outhaul
Alloy  grade 6 core for durability
TPU caps
Aluminium screws to prevent any corrosion
Perfect rope sliding around the pulley
Available as a spare
 
video: https://www.youtube.com/watch?v=A-ANqSRs7KI
 
VAT included- 23%