Do Cows Use Tools? This One Does.

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows ...
来自MSN

What else you can use clamps for

Clamps are essential in any well-equipped workshop. With a bit of creativity, these sturdy tools can be transformed into versatile household and DIY aids. myHOMEBOOK editorial director Felix Mildner ...