This j-hook adapter by Grav Labs is an awesome accessory that gives you multiple options on how to use it. The j-hook is a curved piece of glass with a mouthpiece on one side and a 14/18mm female joint at the other end. Put a male bowl in the joint to turn it into a hand pipe, or attach an ashcatcher to the joint to create a bubbler. No matter how you decide to utilize this smoking accessory, it is a functional and useful adapter that gives you the choice of how to smoke. Includes keck clip on the standard female joint. Decal colors may vary.
This piece features sleek and clean clear glass that allows you to watch this concentrate rig or water pipe function. Clear glass allows you to watch the bubbles stack as your smoke/vapor percolates
This item features a female joint. It will fit all male jointed pipes and accessories of the same size.
This item features a 14mm joint size. It will fit 14mm pipes/accessories of the opposite gender.
This item features an 18mm joint size. It will fit other 18mm pipes/accessories of the opposite gender.