I guess you could place bike on frontjaw. Thanks,

http://i29.photobucket.com/albums/c268/latinjubileo/skulls.jpg

Images are small but passable for a sig
http://uploadpsd.com/file/27544.psd

http://i245.photobucket.com/albums/gg56/grubbyone/Bike/hddyna2006.gif

Thanks, Grubby