I am willing to buy handcuffs, but it says there is an security key that allows me to unlock without key. A handcuffed person can, alone, get free in this? Or do I need military cuffs to bondage play?

35 11

52 47

80 12

44 12

63 41

60 46

71 45

51 42

55 47

41 43

27 12

34 44

45 11

84 46

41 42

36 42