It's called the Skeeter Beater. It allows you to leave your car windows open without offering yourself as a blood sacrifice to the mosquitoes and black flies. I haven't tried it myself, but I think...
Get some holiday shopping ideas from Roger and Zimo (whomever they might be). My favorite is this Morning Rush cup holder for your bicycle: Camping giftsWinter sports, motor sports and water sports giftsGadgetsHiking/climbing giftsFishing giftsBiking gifts