Any kind of trigger mechanism for a sling spear?

Top line release double roller speargun trigger mechanism, for US or Euro shafts

Speardiver Top Line Release Trigger Mechanism

A.B. Biller, Replacement Parts for Spearguns, Trigger Mechanism , (Wood Gun) - Saguaro Scuba

Shop Ermes Trigger Mechanism Future Double Roll, Diving Sports Canada

Steve Alexander Trigger Mechanism – nautilusspearfishing

SEAC USA 65 cm New Sting Speargun

Any kind of trigger mechanism for a sling spear? - - The World's Largest Spearfishing Diving Boating Social Media Forum

How to Go Spearfishing: The Beginner's Guide

Any kind of trigger mechanism for a sling spear? - - The World's Largest Spearfishing Diving Boating Social Media Forum

ERMES SUB Double Roll mechanism Speargun accessory trigger

Speargun Reverse Trigger Mechanism for spearfishing

Any kind of trigger mechanism for a sling spear? - - The World's Largest Spearfishing Diving Boating Social Media Forum