Bundles move up and down slightly when right-clicked

The Bug:

Bundles move up and down slightly when right-clicked.

Steps to Reproduce:

1. Obtain a bundle and hold it in your hand.
2. Right-click and watch the bundle closely.

Observed Behavior:

Bundles move up and down slightly when right-clicked.

Expected Behavior:

Bundles would not move up and down slightly when right-clicked.