This is the Official 4” Sherlock by Grav Labs. The bowl size is 25mm which is a good size considering the size of the pipe. The Sherlock comes in a range of colours so you have a selection to choose from.
Using the Sherlock is so easy, all you need is some of your favorite dried products and a grinder. Grind up your favorite dried products with the grinder. Then put the ground dried products into the Sherlock and you’re good to go.
Cleaning the Sherlock is so simple. All you need is some Isopropyl Solution, Fresh water and some paper towels. Mix the Isopropyl and the Fresh Water into an old jar, place the Sherlock into the solution. Take the Sherlock out of the solution and place on some paper towels. Dry it with the paper towels. Remember the cleaner the pipe the cleaner the hit.