Now Ehud made himself a dagger (it was double-edged and a cubit in length) and fastened it under his clothes on his right thigh.
Judges 3:16
Surrounding context
3:15 But when the children of Israel cried out to the LORD, the LORD raised up a deliverer for them: Ehud the son of Gera, the Benjamite, a left-handed man. By him the children of Israel sent tribute to Eglon king of Moab.
3:16 Now Ehud made himself a dagger (it was double-edged and a cubit in length) and fastened it under his clothes on his right thigh.
3:17 So he brought the tribute to Eglon king of Moab. (Now Eglon was a very fat man.)