Connector for PROGRESS progression lanyard and DUAL CANYON CLUB and DUAL CANYON GUIDE canyoning lanyards The VERTIGO TWIST-LOCK connector is designed for use on the PROGRESS progression lanyards and DUAL CANYON CLUB and DUAL CANYON GUIDE canyoning lanyards. The excellent grip and automatic locking system make it easy to handle when passing intermediate anchors. The large opening and the Keylock system make it easy to connect. The VERTIGO TWIST-LOCK can be used with a TANGA positioning ring to help orient the connector to load the major axis, limit the risk of rotation, and keep it integrated with the ADJUST rope adjuster.