Send Bottles of “Mouth Wash”
or Vodka Dyed Blue/Green in a Mouthwash bottle.
Rather than Give something to go out with send lots of little things through out the tour, A small parcel with Sweets, Mags, washing powder, toothpaste, shave gel, razor blades, etc can go a long way. Just don’t forget the “mouthwash”
Or If you would like him to have a leatherman, Oakleys, etc, give him the money as they will get it at half the price or less, from the Yanks.