Judges 3:16

Ehud made himself a double-edged sword 18 inches long. He strapped it to his right thigh under his clothes

Judges 3:21

Ehud reached with his left hand, took the sword from his right thigh, and plunged it into Eglon’s belly.

Psalm 45:3

Mighty warrior, strap your sword at your side.
In your majesty and splendor

Psalm 149:6

Let the exaltation of God be in their mouths
and a double-edged sword in their hands,

Song of Songs 3:8

All of them are skilled with swords
and trained in warfare.
Each has his sword at his side
to guard against the terror of the night.

Hebrews 4:12

For the word of God is living and effective and sharper than any double-edged sword, penetrating as far as the separation of soul and spirit, joints and marrow. It is able to judge the ideas and thoughts of the heart.

Revelation 1:16

He had seven stars in His right hand; a sharp double-edged sword came from His mouth, and His face was shining like the sun at midday.

Revelation 2:12

“Write to the angel of the church in Pergamum:

“The One who has the sharp, double-edged sword says:

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
Let the exaltation of God be in their mouths
and a double-edged sword in their hands,
Hebrews 4:12
For the word of God is living and effective and sharper than any double-edged sword, penetrating as far as the separation of soul and spirit, joints and marrow. It is able to judge the ideas and thoughts of the heart.
Revelation 1:16
He had seven stars in His right hand; a sharp double-edged sword came from His mouth, and His face was shining like the sun at midday.
Revelation 2:12
“Write to the angel of the church in Pergamum:

“The One who has the sharp, double-edged sword says:

Upon

Judges 3:21
Ehud reached with his left hand, took the sword from his right thigh, and plunged it into Eglon’s belly.
Psalm 45:3
Mighty warrior, strap your sword at your side.
In your majesty and splendor
Song of Songs 3:8
All of them are skilled with swords
and trained in warfare.
Each has his sword at his side
to guard against the terror of the night.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.