Petzl Steadytrac Handlebars 1 Pack. It allows the participant to hold on and remain forward-facing. The STEADYTRAC is compact and allows the trolley to be stowed on the harness. Specifications for Petzl Steadytrac Handlebars: Manufacturer: Petzl Fabric/Material: Nylon Features of Petzl Steadytrac Handlebars Handlebars allow the participant to hold on and limits the risk of rotation when on the zipline Helps with zipline landing keeping the participants feet in front of them Compact shape makes it comfortable and easy to stow the trolley on the harness Compatible with the TRAC GUIDE trolley and JOKO CUSTOM JOKO ADJUST CUSTOM JOKO-I JOKO-Y and AVENTEX lanyards Package Contents: Petzl Steadytrac Handlebars Petzl P023EB00: Steadytrac Handlebars 1 Pack