“fastened to”可以造什么句，fastened to造句

The device, which consists of two conductors fastened to the head by a rubber strap, significantly boosted results in a simple arithmetic test, they said.

The bookshelf is fastened to the wall.

Then she gathered some soft green rushes, and braided them into a soft string, which she fastened to the fawn's golden collar, and then led him away into the depths of the forest.