is it because you find you don't have to enter holds very often, or just that its not so hard as to require an aid such as this
1) The hold is printed on the approach plate, you know your heading, from that you know how to join.
2) When you're being bounced around in IMC the important thing is to fly the aeroplane - not a
e around with a silly bit of plastic.
Never owned one - never will!