Easy . Find clear spot. Here in Az you watch for scorpions, ants and the ant holes, the odd rattlesnake and tranchulas.
Untie one shoe. Take pants and underwear off one leg. Squat ass and let loose the poopoopeepee.
Also mentioned inaDesert AZ, your clear area for shit also watch out for cactus, when live cactus plants you can see them, but when a cactus link falls off they go everywhere. When cacti are dead and dry the stickers, needle part remains sharp and complete and also can scatter over a far area.
Check your pants to see if a piece attached to it or your shoe, same as creepy crawlies in your pants or shoe before you put em on.
And you can with with a stone, you can wipe with a short piece of dry stick from a branch.(a shit stick)