DUMBBELL Shaped Slugs- “Physics-defying“ performance

We shoot some steel slugs that are neither front nor rear heavy. The idea was to create a tumbling slug, but in our tests, things did not work out like we thought. You won’t believe your eyes when you see how these performed. Tim from Ballistic Machinist channel designed these steel slugs to tumble through the air. Since these were neither nose-heavy nor had any directional stability using fins, etc., they SHOULD have just tumbled. However, the slugs were stable and were accurate. Tim would