One Gate, Multiple Locks(kk.org)1 points·by hongzi·6년 전·2 commentskk.orgOne Gate, Multiple Lockshttps://kk.org/streetuse/one-gate-multiple-locks/2 commentsPost comment[–]itm·6년 전replyThe obvious drawback is that the global security level is the security level of the weakest lock.[–]hongzi·6년 전replyVery clean mechanical OR structure