contact us

Use the form on the right to contact us.

You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right.

Sloat Blvd
SF, CA, 94132
United States

Harnessing modern glassblowing technology for you to create brilliant music with the “Sound of Glass”.

Through creative innovation & quality craftsmanship, we strive to produce outstanding glass guitar slides and picks that compliment your sound and style. Silica Sound is the original handmade glass guitar slide made with a tapered fit, since 2003. Handcrafted in California, U.S.A.

Silica Sound glass guitar slides are handmade with a thickened end to promote a unique grip on the tip of your finger, as well as added mass for better sustain. They are unlike any other glass guitar slide in the way they feel, sound and look.

Solid 'Unobtanium' colored tapered slide - Model #423

Unique Slides & Picks

These are one of a kind slides & picks that showcase modern glassworking techniques and artistic design. They are our high-end creations that will be the centerpiece of any guitar accessory or glass collection. Each piece is handblown by Chris Davidson in San Francisco, CA. 

(All in stock/available accessories should be near the top of the page)

Solid 'Unobtanium' colored tapered slide - Model #423

sold out

Solid 'Unobtanium' colored tapered slide - Model #423


This is a model 423 with a solid color tapered end. The color is "Unobtanium" with a cobalt blue lip wrap. Typically the color is added to the outside of the clear glass. This one is solid color! It fun and challenging to make and turned out beautiful!

Taper inner diameter = 14.0-14.4mm

Add To Cart