The Alpine Up Belay Device Is A Highly Versatile Assisted Braking Device For Belaying And Rappelling; Developed Especially For Mountaineering. It Can Be Used With Twin, Half, Or Single Ropes. The Alpine Up Has Three Modes: Dynamic, Click Up, And Guide. In Dynamic Mode, The Alpine Up Functions Exactly Like A Tube Device For Standard Belaying And Rappelling. In Click Up Mode, It Acts As An Assisted Braking Device That Will Catch Any Fall. In Guide Mode, The Alpine Up Will Operate Directly From The Anchors While Maintaining Its Assisted Breaking Ability. For Extra Leverage When Rappelling, The Alpine Up Is Equipped With A Foldaway Lever.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }