![Petzl highly recommends that the TIBLOC is used with round profile carabiners, but they suggest the hole on the S'MD carabiner (NOT round C-section) is for loss prevention of a TIBLOC. What Petzl highly recommends that the TIBLOC is used with round profile carabiners, but they suggest the hole on the S'MD carabiner (NOT round C-section) is for loss prevention of a TIBLOC. What](https://preview.redd.it/gjr7b8zfo1g01.jpg?auto=webp&s=be74a0578a5b9e91324f619cdad947159f5d9518)
Petzl highly recommends that the TIBLOC is used with round profile carabiners, but they suggest the hole on the S'MD carabiner (NOT round C-section) is for loss prevention of a TIBLOC. What
![Petzl TIBLOC Ultra-light emergency ascender,Multicolor(Orange/Grey) : Amazon.co.uk: Sports & Outdoors Petzl TIBLOC Ultra-light emergency ascender,Multicolor(Orange/Grey) : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/61G5JBhGGAL._AC_UF894,1000_QL80_.jpg)
Petzl TIBLOC Ultra-light emergency ascender,Multicolor(Orange/Grey) : Amazon.co.uk: Sports & Outdoors
![Petzl TIBLOC Ultra-light emergency ascender,Multicolor(Orange/Grey) : Amazon.co.uk: Sports & Outdoors Petzl TIBLOC Ultra-light emergency ascender,Multicolor(Orange/Grey) : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/41-28HawA9L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA576%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)