Also called disc-tumbler locks, these locking mechanisms make use of a series of slotted rotating discs separated by washers. Each individual disc features a cutout; when locked, the cutouts don’t line up, but inserting and turning the key rotates them into alignment to sort a channel. We’re cyclists, as well, https://high-performance-vector-v32085.blogstival.com/50748203/pneumatic-parts-no-further-a-mystery