I don't know how to use a hand loom.

我不知道怎样使用手工织布机。

youdao

Elvira's mother, who is sitting in the shade of her stall, is weaving on a small hand loom.

BBC: A Mayan revival

Weaving is done manually by a lissier, or weaver, on a loom positioned horizontally, working on the reverse side of the tapestry, and using yarns that are hand-dyed in house.

UNESCO: Intangible Cultural Heritage