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Setting Up an "O-Rig" on a MRS System

Setting Up an "O-Rig" on a MRS System

The "O-Rig" is a wonderful mechanical advantage system for use in MRS climbing systems, and it can be set up three different ways! The best part about mechanical advantage? It saves your arms from all the strain of ascending yourself.

Which of these three styles will work best for you? Setting it up with a roll-lock, a prussic cord, or with a thimble loop?

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