Roman Caltrops How to

These are great for medieval props!

Step 1: About

The Caltrop was used by many in the Middle Ages. When thrown, a spike always landed pointing up. It was used to slow down the enemy. It was also used in WWII. Now, they are used to deflate tires.

Step 2:

Make two thin foil bars

Step 3:

Twist in a way that they stay together and whenever thrown a spike points up.

Step 4: Done!

Don't step on it!