Judges 3:16

But Ehud had made himself a two-edged sword of a cubit length, and he girded it under his clothing upon his right thigh.

Judges 3:21

But Ehud put forth his left hand and took the sword from his right thigh and thrust it into Eglon's belly;

Psalm 45:3

Gird thy sword upon thy thigh, O most valiant, with thy glory and thy majesty.

Psalm 149:6

The high praises of God shall be in their mouth and a two-edged sword in their hand,

Song of Songs 3:8

They all hold swords, being expert in war; each one has his sword upon his thigh because of the fears of the night.

Hebrews 4:12

For the word of God is alive and efficient and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.

Revelation 1:16

And he had in his right hand seven stars, and out of his mouth went a sharp twoedged sword, and his countenance was as the sun when it shines in its strength.

Revelation 2:12

And to the angel of the congregation in Pergamos write; These things, saith he, who has the sharp sword with two edges:

Treasury of Scripture Knowledge

Summary

But Ehud made him a dagger which had two edges, of a cubit length; and he did gird it under his raiment upon his right thigh.

Bible References

Two edges

Psalm 149:6
The high praises of God shall be in their mouth and a two-edged sword in their hand,
Hebrews 4:12
For the word of God is alive and efficient and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.
Revelation 1:16
And he had in his right hand seven stars, and out of his mouth went a sharp twoedged sword, and his countenance was as the sun when it shines in its strength.
Revelation 2:12
And to the angel of the congregation in Pergamos write; These things, saith he, who has the sharp sword with two edges:

Upon

Judges 3:21
But Ehud put forth his left hand and took the sword from his right thigh and thrust it into Eglon's belly;
Psalm 45:3
Gird thy sword upon thy thigh, O most valiant, with thy glory and thy majesty.
Song of Songs 3:8
They all hold swords, being expert in war; each one has his sword upon his thigh because of the fears of the night.