Equipment Tricks for Caltrops

From publisher blurb:

With a wealth of feat options at a player’s disposal, it can be difficult to find something new to define your character. The Equipment Trick feat introduced new ways to specialize around the gear you use the most, differentiating your character from every other rank-and-file adventurer. With Sidebar #15: Equipment Tricks for Caltrops, you’ll find a dozen exciting new ways to teach these old dogs new and unexpected tricks, both in and out of combat. Caltrops can be more than the circumstantial annoyance!