fork hook

filling fork motion hook

clasp hook [= clip hook

hook and hook turnbuckle

Switchover between one hook and two hook operation

Ⅰshaped hook

a lifting hook catching things automatically

AC hook plate

Acromioclavicular hook plate

adjustable hook spanner

adjustable stop hook

ajar door hook

Alsophila podophylla Hook

anastomosis hook

anchor hook

anchor trip hook

Angelica dahurica Benth et Hook

Angle of hook

anisotropic Hook′s law