Symmetric Wooden climbing holds. All kind of different pinches.
Symmetrical climbing holds
Board Sets & Symmetrical holds | TaylorMadeHolds
Having a symmetrical systems wall makes it possible to train weaknesses on both sides evenly. One of my favorite systems workouts is holding lock-offs while climbing up a crimp ladder. Hold for
Symmetry and Climbing – Three Rock Books
The Decoy Board: World's Newest Standard Board - Gripped Magazine
How To Make A Symmetrical Pair Of Wooden Climbing Holds - YouTube
System Boarding, Part I: Why and How | Articles – Power Company Climbing