Beginners Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Brian Wieder demonstrates how to use a vape pen, the device he uses to ingest cannabis. Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Articles You May Like Marijuana legalization appears to be working in Colorado Police bust black market grow site in Phoenix connected to operation in Northern California Marijuana grow operation on fire in Los Angeles Lawsuit filed to stop medical marijuana petition in Nebraska Seed grown Japanese Maple Bonsai gets a pot upgrade & a prune