Top-rope belaying with the GRIGRI anchored to the ground. - Petzl Canada
American Mountain Guides Association - Consider a ground anchor if your belayer may be pulled into an obstacle or if the weight difference between the climber and belayer is significant. #amgatechtuesday | Facebook
DMM Talon Steep Ground Anchor
Slack Management and Catching Falls | Student & Campus Life | Cornell University
Bottom roping for SPA assessment | chrisoutdooradventure
Top Rope Anchor Setting for Gym Climbers - Hamilton Halton Brant
Ground Anchor for Belayer - YouTube
BelaySAFE – Climb Safer
Anchor for a light belayer
How to Belay Outdoor Climbing - Climbing
How to belay someone heavier than me with Petzl's Grigri - Quora
Pragmasis Torc Mega Ground Anchor - Two Tyres - Discount motorcycle tyres
The pre-rigged rappel anchor and belay — Alpine Savvy
The Ideal Belay - Irish Mountaineering Club IMC, Cumann Sléibhteoireachta na hÉireann