Works on socks, say

• Repairs holes
• Sews the hose
• Mends socks
• Mends, as breeches
• Fixes, as with thread
• Mends, as a mitten
• Wields a needle
• Puts stitches in
• Fixes, as a heel, perhaps

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: darn )