Sound definitely travels through cold air than warm air. When the air is colder the molecules move slower and absorb less sound waves fast moving particles on hot days. Think about sound moving through ice and water... it's the same type of situation.

Now that you have it figured out Jeff, go get that deer from last year. It'll be more rewarding now that you know he's smarter.

The shop that i've been going to install's moleskin on every rest they set up. My TT and my dropzone both have moleskin on the arm and they are silent.