Hobnail Rainbow Bring bold energy to your sesh with the MJ Arsenal Hobnail Bowl. This 14mm male glass bowl features vibrant wig-wag detailing, radiant dichro marbles, and thick borosilicate glass—all handmade for a one-of-a-kind feel that hits as hard as it looks. Joint: 14mm male Size: 2.3" x 1.2" Multiple Dichro Marbles Multicolor Wig-Wag Detail Thick, Durable Borosilicate Glass Handmade