Customers look over glass pipes and bongs made by the Rambler at a booth during the final day of the first ever High Times US Cannabis Cup at the Exdo Center in Denver on Sunday, April 21, 2013. Seth A. McConnell, The Denver Post
Customers look over glass pipes and bongs made by the Rambler at a booth during the final day of the first ever High Times US Cannabis Cup at the Exdo Center in Denver on Sunday, April 21, 2013. Seth A. McConnell, The Denver Post