pick glass

pick glass

[′pik ‚glas]
(textiles)
Calibrated magnifying glass used to count warp and filling threads in a square inch of fabric.
References in periodicals archive ?
I had to pick glass from Sofie's hair and Skye had to be taken out of her buggy and the glass had to be hoovered from it.
The poor teachers are having to pick glass out of jigsaws.