techniques
concealed
exposed
covert
document locking
(component techniques)
deckle-edge simulation
lacing
plighted
recursive perforation
scoring
stack
straddle
straddle-tuck (pocket and exterior)
straddle-tuck (pocket and interior)
wrap (action)
letterlocking
distinctive letterlocking style
letterlocking category
letterlocking category 1
letterlocking category 2
letterlocking category 3
letterlocking category 4
letterlocking category 5
letterlocking category 6
letterlocking category 7
letterlocking category 8
letterlocking category 9
letterlocking category 10
letterlocking category 11
letterlocking category 12
letterlocking category 13
letterlocking category 14
letterlocking category 15
letterlocking category 16
letterlocking category 17
letterlocking category 18
letterlocking category 19
letterlocking category 20
letterlocking category 21
letterlocking category 22
letterlocking category 23
letterlocking category 24
letterlocking category 25
letterlocking category 26
letterlocking category 27
letterlocking category 28
letterlocking category 29
letterlocking category 30
letterlocking category 31
letterlocking category 32
letterlocking category 33
letterlocking category 34
letterlocking category 35
letterlocking category 36
letterlocking category 37
letterlocking category 38
letterlocking category 39
letterlocking category 40
letterlocking category 41
letterlocking category 42
letterlocking category 43
letterlocking category 44
letterlocking category 45
letterlocking category 46
letterlocking category 47
letterlocking category 48
letterlocking category 49
letterlocking category 50
letterlocking category 51
letterlocking category 52
letterlocking category 53
letterlocking category 54
letterlocking category 55
letterlocking category 56
letterlocking category 57
letterlocking category 58
letterlocking category 59
letterlocking category 60
letterlocking category 61
letterlocking category 62
letterlocking category 63
letterlocking category 64
letterlocking category code
letterlocking category formula
letterlocking category formula, shorthand
letterlocking category number
letterlocking format
infinite edge format
triangle format
quadrilateral format
letterlocking format code
letterlocking format number
locking mechanism
lock
closure flap
triangle-shaped closure flap
square-shaped closure flap
pentagon-shaped closure flap
trapezoid-shaped closure flap
hybrid lock
tuck (locking mechanism)