It is perhaps these 2 types of smoking accessories - water pipes and bongs - out of all the thousands of styles, kinds, collections, and types of smoking accessories known to mankind - that stand out as the most iconic of smoking devices.
That's because they work... and people love to smoke their herb out them because they make your hits smoother by filtering the smoke through water and any of dozens of variations of filtering devices and percolators before it reaches your lungs.
Arguably, to the general smoking public, a water pipe can be considered a bong, and visa versa, but a quick google search will show you that there are many different opinions and descriptions of these items separating the nuances.
This page just lumps them all together for your enjoyment.
We will soon have a knowledge base available to learn more.