CONCUSSION ENSEMBLE BUNDLE. Get everything Concussion for the low price of $12.00: Stampede CD, Bulldozer 45 and Concussion Poster all for $9.00!!!!! NOS Limited Supply. The Hat IS NOT included, unfortunately the hat is SOLD OUT! But you still can get the CD, 45 and Poster bundle! US Shipping $5.00 International Shipping $9.00