You don't have to be super skinny to start climbing, but there are some things you should consider. The key is having stronger, reinforced gear.
Rock climbing: stronger hands, stronger tendons — Sydney Health Physiotherapy
Indoor Rock Climbing is the Beginner-Friendly Sport You Should Try This Winter
Top 10 Technique Tips for Indoor Climbing
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How to Train for Rock Climbing & Bouldering
OHM, belaying with weight difference
Is Rock Climbing Good For Weight Loss? (With Calorie Burn) – Indoor Climbing Planet
Strength Training for Climbing: Do Rock Climbers Need to Do Weight Tra – Garage Strength
Sender City Kid-Focused Area opens at Sender One Rock Climbing and Fitness – Westside Mommy
Common Climbing Injuries, Wrist and Hand Pain
How Much Do Rock Climbers Weigh? – Scoutorama