The method of attachment from the Lanyard to the anchor is critical. Details to look out for when selecting the carabiner would be the locking mechanism and the nose design. A clean nose prevents the carabiner snagging on the anchor as you remove it or getting hung up on the anchor when loaded. I’ve tested a hung-up carabiner and it failed at 3kN. Some great images and further info on nose hooked carabiners can be found here from Black Diamond and here from DMM. For me it'