I've thought about putting an I LOVE MY (popular dog breed) sticker on the back of my cargo trailer. Pulling a kid trailer usually makes drivers more cautious (USUALLY). If it has a real kid in it, sometimes they stalk me and look like BUbba is going to come teach me a safety lesson, or Sally Soccer Mom is going to whip out her cell phone and call Sheriff Andy on me, like it's illegal to bike your kid to the park. One guy even missed his turn to follow me and take photos. lol.