tie clasp
tie clip
tie pin BrE , auch: tiepin BrE
tie tack AmE

It can simply be secured, out of sight, with a tie clip.

There was none, but her gaze had finally gone from the tie clip to his face, and he thought perhaps she might be ready to listen.

Fache straightened his cruciform tie clip and began to walk.

It's unclear what form this personal jammer takes - a tasteful tie clip?

Say, a jeweled tie clip and cuff link set?

The tie clip was silver and turquoise and looked Navajo.

A favorite local gift is a small orchid preserved in gold, available as a tie clip for about 59 Singapore dollars ($30).

He has misplaced his officer's tie clip; appearing at the graduation without one is out of the question, so we stop to buy another.

We've got a missing camera, a tie clip, some photographs, and a girlfriend being followed.

Here was where the tie clip had lain.