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Functional Heat collection
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Functional Heat

Pipes, sherlocks, rigs and functional glass built to last.

Functional
Pipe
Rig
Sherlock

Concept

Thick walls, honest joints, comfortable in the hand. Function comes first and the color happens on top of it.

Inspiration

Classic American pipe-making shapes — the ones that worked before anyone was decorating them.

The Artist's Take

If it isn't nice to use, the color doesn't matter. Form first, always.

Good to Know

Borosilicate handles heat and cleaning, but avoid sudden temperature swings.

In this collection

13 pieces

Browse full gallery
Dan Longden x Treso Rig DRT712 — handmade fumed borosilicate glass by Treso Glass

Dan Longden x Treso Rig DRT712

$750

A full collaboration rig built with Massachusetts flameworker Dan Longden — his linework and form language over Treso fume.

Buy at Witch DR
Neptunium Fume Rig DRT712 — handmade fumed borosilicate glass by Treso Glass

Neptunium Fume Rig DRT712

$750

Heavy silver and gold fume layered over clear, worked into a full-size functional rig. Headiest piece in the current lineup.

Buy at Witch DR
Milky Blue Sherlock Pipe — handmade fumed borosilicate glass by Treso Glass

Milky Blue Sherlock Pipe

$25

Classic Sherlock profile pulled in milky blue borosilicate. Comfortable in the hand, built for daily use.

Buy at Witch DR
Layback Fume Cobalt Sherlock — handmade fumed borosilicate glass by Treso Glass

Layback Fume Cobalt Sherlock

$25

Layback Sherlock with silver fume worked over a cobalt body — the fume shifts warm against the blue.

Buy at Witch DR
Layback Fume Sherlock — handmade fumed borosilicate glass by Treso Glass

Layback Fume Sherlock

$25

Straight-up fume on clear, laid-back Sherlock shape. Made on the bench at Witch DR in Salem.

Buy at Witch DR
Pink Panther Pipe — handmade fumed borosilicate glass by Treso Glass

Pink Panther Pipe

$20

Bright pink spoon with a clean push bowl — an easy first piece and an easy gift.

Buy at Witch DR
Milky Blue Pipe — handmade fumed borosilicate glass by Treso Glass

Milky Blue Pipe

$20

Milky blue spoon, thick walls, no fuss. One of the most repeatable shapes on the bench — still hand pulled.

Buy at Witch DR
Fume on Cobalt Pipe — handmade fumed borosilicate glass by Treso Glass

Fume on Cobalt Pipe

$20

Silver fume laid over deep cobalt. The color reads differently depending on how much light hits it.

Buy at Witch DR
Treso Fume & Aqua Azul Frit Cap Pipe — handmade fumed borosilicate glass by Treso Glass

Treso Fume & Aqua Azul Frit Cap Pipe

$25

Fumed body finished with an aqua azul frit cap — crushed color melted into the surface for texture and depth.

Buy at Witch DR
Treso Fume & Forest Green Frit Cap Pipe — handmade fumed borosilicate glass by Treso Glass

Treso Fume & Forest Green Frit Cap Pipe

$25

Same fumed body, forest green frit cap. Darker, mossier, and it hides fingerprints better than most.

Buy at Witch DR
Treso Fume & Lava Frit Cap Pipe — handmade fumed borosilicate glass by Treso Glass

Treso Fume & Lava Frit Cap Pipe

$25

Lava frit cap over fume — orange and rust flecks that match the rest of the ember palette.

Buy at Witch DR
Treso Fume & Cherry Frit Cap Pipe — handmade fumed borosilicate glass by Treso Glass

Treso Fume & Cherry Frit Cap Pipe

$25

Cherry frit cap on a fumed body — the brightest of the frit cap set.

Buy at Witch DR
Ember Cup — handmade fumed borosilicate glass by Treso Glass

Ember Cup

$140

Thick-walled borosilicate tumbler with a lava frit band at the lip. Dishwasher-honest, made for daily use.

First look at new work

New pieces hit the list before the gallery.