I don't put stickers on my car because there is literally no upside to doing so.
The one exception is this. Since putting it on my rear window I have a 100% success rate of people letting me merge over into their lane.
Includes a video in use. I'm considering it now.
Yea seriously. His next mod: https://www.amazon.com/Waving-WiperTags-Decal-Vehicle-Wipers/dp/B08ZHCDZMY
Found it here:
Gump Waving Arm WiperTags USA with Decal for Rear Vehicle Wipers https://www.amazon.com/dp/B08ZHCDZMY/ref=cm_sw_r_cp_api_glt_fabc_5KTXA7N7BFKHSF1EBMQF
I agree it does look funky, but it’s installed the way it’s meant to be
You can buy one on Amazon