Today there are Trappist abbeys with breweries in Italy, Austria, the Netherlands and the United States, with more in development, but most of these, save for those of the Onze Lieve Vrouw van Koningshoeven, better known as La Trappe, are Johnnies-come-lately.

to entertain friends with lively conversation

Almost everybody's read that book.

Draw in both man-made and natural obstacles. Anything that may hinder the proposed landing (e.g., cusps, submerged rocks, partially awash or submerged wrecks, scullies, berm scarps, sandbars, rails, etc.) may be considered an obstacle.