http://tenant.depart.livedoor.com/t/yamaden/item3232320.html
こういうの買おうと思うんだが(;´Д`)ダメかな？

http://www.amazon.co.jp/s/ref=sr_st?__mk_ja_JP=%83J%83%5E%83J%83i&keywords=%90%86%82%AB%82%BD%82%C4%88%EA%91V&rs=3828871&page=1&rh=n%3A3828871%2Ck%3A%90%86%82%AB%82%BD%82%C4%88%EA%91V&sort=price