An important part of hanging an antenna from a tree is a bearing, or
pulley, to eliminate guy line friction and facilitate antenna repairs
and adjustments.
The Wouff Hang—whimsically named after the infamous
Wouff
Hong
from Amateur Radio history—is an easy to build bearing made from common
PVC water pipe or electrical conduit found at any hardware or home
supply store.
Author Roy Lewallen, W7EL, describes construction and use of
The Wouff Hang
in a well illustrated article which is
(a free preview from the October 2019 issue of QST Magazine).