In the rule “Trails” replace

Each trail entry must detail a Name, Type, Size and a Distance from the colony

with

Each trail entry must detail a Name, Type, Size, a Distance, and a list of ants currently following the trail from the colony

A ant on the list of ants currently following the trail is said to be following the trail. An ant may only follow one trail at any one time. If an
ant stops following a trail, their name is removed from the list of ants currently following the trail.

In the rule Carrying, replace

As a daily action, an Ant who is above ground may Follow a Trail by spending food equal to that Trail’s Distance. An Ant who Follows a Plant trail may reduce its Size by one to start carrying a Leaf or a Twig. An Ant who Follows a Filling Trail may reduce its Size by one to start carrying a Crumb. An Ant who Follows a Tasty Trail may reduce its Size by 1 to start carrying Sugar, and/or reduce its Size by 1 to increase their Food to 5.

with

As a daily action, an Ant who is above ground and not following a trail may Follow a Trail by spending food equal to that Trail’s Distance. The ant then adds his name to the list of following ants for that trail.

An ant may only follow a plant trail if number of ants currently following the trail is fewer than the size of the trail. If the number of ants currently following a plant trail is equal to the size of the trail, any ant following that trail may cause each ant following that trail to start carrying a leaf or a crumb and reduce the size of the trail to zero.

An Ant who is following a filling trail may reduce its Size by one to start carrying a Crumb and stop following the trail.

An Ant who is following a tasty trail may stop following the trail and reduce the trail’s size by 1 to start carrying Sugar, and/or stop following the trail and reduce the trail’s size by 1 to increase their Food to 5 (note that a trail’s size is not allowed to go negative in this manner)

An ant may stop following a trail at any time.