Tether

briglia

(rope, cable etc. that holds something in place whilst allowing some movement)

campo

(limit of one's abilities, resources etc)

cavezza

(rope, cable etc. that holds something in place whilst allowing some movement)

guinzaglio

(rope, cable etc. that holds something in place whilst allowing some movement)

portata

(limit of one's abilities, resources etc)

redine

(rope, cable etc. that holds something in place whilst allowing some movement)

imbrigliare

(to restrict something with or as if with a tether)

incatenare

(to restrict something with or as if with a tether)

tenere al guinzaglio

(to restrict something with or as if with a tether)