A
pullstring (
pull string,
pull-string),
pullcord (
pull cord,
pull-cord), or
pullchain (
pull-chain,
pull chain) is a
string,
cord, or
chain wound on a
spring-loaded
spindle that engages a
mechanism when it is
pulled. It is most commonly used in
toys and motorized equipment. More generally and commonly, a pullstring can be any type of string, cord, rope, chain, or
cable attached to an object in some way used to pull or mechanically manipulate part of it.