Stoops or Gate Posts now hang gates. But a long time ago gates consisted of five or six wood poles inserted into holes in the stoops. In this part of North Yorkshire these are almost always consist of a horizontal rebate with aright angle turn downwards to hold the wooden pole.(see below)
This is the only example of a post with a curved rebate I've seen. Note also that the top rebate is coming from the other field side of the gate. This makes it difficult for cattle to lift them off. This example is immediately west of Bransdale Mill.
This is the normal stoop with 5 rebates for rails. This well preserved stoop with holes on the other side of the opening is near Glaisdale on the old road/track leading from the ford at the railway bridge. Notice the superb wall seperating Arncliffe woods from the field.