Metal button: metal button

Jeans button: jeans/shank/tack button

Single needle jersey button: tack button

Double needle push button: twin prong shank button

Activity button: rotary/rotatable/swivel shank button

Tack button with plastic inside: tack button with plastic inside

Tack button with plastic bottom: tack button with plastic bottom

Tongxin button: open-top shank button

Cap/rivet: rivet

Smooth rivet: plain rivet

Convex rivet: nipple rivet

Concave Rivet: reverse nipple rivet

Diamond rivet: diamond rivet

Mushroom rivet: dome rivet

Snap button/emergency button: snap / snap button / snap fastener / spring snap button / 4 parts snap button

Prong snap: prong snap button

Hollow five claws: ring prong snap

Cap prong snap: cap prong snap

Pearl prong snap button: pearl prong snap button

Snap button: sewing snap button

Fisheye button/Blister button: bubble/Italy snap button

Corn/Grommet: eyelet / grommet

Sewing button: sewing button

Four/two-hole sewing button: 4-hole / 2-hole sewing button

Snap button/sewing button: sewing snap button

Mushroom button: dome sewing button

Copper clip button: copper clip button

Trouser hook: trouser hook

Belt buckle/belt buckle: belt buckle

Bell: cord/string end

Rope buckle: cord/string stopper

Spring cord stopper: spring cord stopper

Zipper piece: zipper puller/pull

Zipper slider: zipper slider

Calabash buckle: suspender buckle

D-shaped buckle: D-ring

Key ring: key ring

Zinc alloy: zinc alloy

Copper: brass