DasDAS: unconventional controllers?

2 nice videos feat. unconventional controllers can be found on the same blog as prev. posting, so I just replst it and the link to the original (german) blog DAS:

Alternative Midicontroller: Der Sweatstick und das Midipapier

Seatstick – Samurai Sword as a controller..?

the cool one: draw your controller and play it..