I am fedup with the endless debate about medium, easy,hard,stout,elitish,average, what-the-fuck-ever #3's! Who gives a crap about this? Of course the fuking things vary. These threads should be immediately locked on the Gripboard and Grippermania. Get fucking stronger and you will close it.
AND STOP STEPPING ON them 100 times as rapidly as possible for "seasoning", all you are doing is putting heat into the spring, and bending them. Just workout with the cursed things. As you get stronger it will eventually close.