There was a piece of cloth tied to the dog's collar.

有一条布系在狗项圈上。

《柯林斯英汉双解大词典》

As we said goodbye, the dancer bent down and removed a piece of fluff from the collar of my coat.

当我们说再见时，舞蹈家弯下腰，从我外套的领子上取下一团绒毛。

youdao

Thus, in a preferred class of embodiments, the collar has a pivot for the chin support pieces relative to the collar body, and an other pivot for the chin piece relative to the chin support pieces.

因而，在优选类别的实施例中，颈圈具有相对于圈体用于下颚支撑件的枢轴，和相对于下颚支撑件用于下颚部的另外的枢轴。

youdao

As a further point, I do believe that the green-collar job piece of this is important.

CNN: Part 1 of CNN Democratic presidential debate

The owner dials their pooch's number and after one ring, it automatically connects to the phone on the dog's collar, allowing the dog to hear its master's voice, transmitted out of a speaker built into the collar-piece.

CNN: Give a dog a cell phone

We were all ready to start harshing on the Top Tag Pet ID--a USB thumb drive that contains vital info about your pet--because it seems pretty silly to assume that a lost animal's rescuer would know what the hell to do with that small piece of plastic dangling from Tinkerbelle's collar.

ENGADGET: Top Tag Pet ID USB thumb drive