It shows the technique Toyota use to make carbon fibre. Using a giant loom machine, each fibre strand is bonded together like a big carbon plait. This machine allows Toyota to create any 3D shape and therefor, any aspect of a car. In this ad, the company is using it to make various chassis and structural components for the Lexus LFA supercar.
Apparently, Toyota didn't want to show the world this clip at first as the company thought it would reveal some of its technology secrets to other companies. Looks like Toyota changed its mind. Check it out below.