Circuit Board Necktie: "Microchip" silk tie. self-tie bow tie A cunning trickster

A cunning trickster

Six route destinations are printed on one end of the scarf

This design is wedding tie favorite

Gear Shift herringbone silk necktie

Circuit Board Necktie: "Microchip" silk tie. self-tie bow tie A cunning tricksterCircuit Board Necktie: "Microchip" silk tie SIR Test Board. Weve printed a limited run of ties from vintage circuit board screens. This is our 5th in the series, no circuit bored here. See the full story of our vintage circuit board designs with video! In the electronics manufacturing industry, "SIR testing" is a sensitive test method for evaluating component failure caused by shorts or current leakage. It is used to rate fluxes, board cleanliness and