so this carabiner has the same locking hook, which does not allow carabin to be extended
added:
partition for key rings (key rings can be put inside through the gap and it will hold them there safely, because you have to press the dividing partition, so ring can be put outside )
Dimensions:
its height is 6,8 cm
adjust scale if you want other size
Print info:
use PETG for flexibility
use brim for textured plate
i used 10 perimeteres - so whole body is made from perimeters only for more strength