Stick grenade?
http://www.google.com/imgres?q=stick&um=1&hl=en&biw=1280&bih=624&tbm=isch&tbnid=u1nZvrq8U_CKqM:&imgrefurl=http://coseegreatlakes.net/weblog/2006/08/&docid=RTlSD4Psp5cyTM&imgurl=http://coseegreatlakes.net/weblog/wp-content/uploads/2006/08/Jessicas%252520memory%252520stick%252520520.jpg&w=520&h=390&ei=AOOZTtnyIMWhtwfp28XrAw&zoom=1&iact=hc&vpx=618&vpy=239&dur=48&hovh=194&hovw=259&tx=149&ty=104&sig=112417051918776320194&page=3&tbnh=129&tbnw=173&start=43&ndsp=21&ved=1t:429,r:10,s:43