Petzl has SOME holes in their Sm'D and Spirt carabiners so can you drill holes in yours to save weight? Elliott Bernhagen https://www.instagram.com/anikulapu/ sent me a few carabiners with a LOT of holes in them to see if they were super good enough.
The blog has our data at https://www.hownot2.com/post/carabiner-holes
Alpine Savvy's article about using Sm'D carabiners https://www.alpinesavvy.com/blog/petzl-smd-carabiner-theres-a-keeper-cord-hole
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