Answer:
He stands beside the road. In a purple cap at tattered green cloak. Those who touch him, curse him.
It's usually found dried, but often kept slicker. Above another need, it's said to be thicker. What is it?
Four of us are in your field, But our differences keep us at yield, First, a one that is no fool, Though he resembles a gardenerโs tool, Next, one difficult to split in two, And a girl once had one as big as her shoe, Then, to the mind, oneโs a lovely bonder, And truancy makes it grow fonder, Last, a stem connecting dots of three
Though blind as well, can lead the blind well.
You can only have it once you have given it.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?