So @Stupidtiggers and I were using discord to talk last night and thought we'd share the link with you lovely LTT members!
For those of you who wish to join click here.
Out of curiousity can you not try some of those cheap 99c headphones that clip onto your ear? See how you fare with those.
Or just ask a barber? Now a days they're pretty educated on these things.
P.s. I love the diagram.