i think most of us use diff pieces for diff parts of the day in the AM i like a bonghit or 2 before leaving for work but a 18 inch tall 5 pound glass bong is not very ez to conceal on the job site so i have a small glass piece i take to work and a home made wooden bowl i carved out of a piece of paduck for going to the river or going out drinking [alcohol and glass bowls dont mix with me]