# a small number of hairs from them

"a few hairs from the piles". Yahweh continues to speak to Ezekiel.

# tie them

Possible meanings are: the hairs were long enough so Ezekiel could tie them or Ezekiel was to sew the hairs or Ezekiel was to place the hairs loosely in a fold of the garment.

# the folds of your robe

Possible meanings are: "the cloth on your arms" ("your sleeves") or "the end of the cloth on your robe" ("your hem") or the fold in the garment where it is tucked into the belt.