Show snails trail the use of the shiny sort of trail which snails leave behind them is asked Is it part of their way of getting along no it is just to make the path smooth and level As a snail often has to travel over rough ground it discharges a mucous substance from a special gland at the upper front end of the foot the snail has only r one foot you knowl this substance forms a smooth path over which the snail can glide although a slow traveler the snail will go a long way and even climb over obstructions to obtain favorite food |