LDS Missionary Teeshirt. Let your missionary know you have his/her back! :) Pinner said: I came up with this idea recently and am sending it to my missionary son for his birthday this month. Our family put our handprints (in laundry safe fabric paint) on the back of a teeshirt. We're going to include a card or tag that says, "Remember D 84:88--and that we have your back!" I love this idea!!