Finally I've found a head demagnetizer!...been after one for ages as opinion seems to suggest they can make quite a difference to tape playback. Did my regular trawl of the local charity shops during my lunch break (which usually nets me zilch) and found this Maxell HE-44...does anyone have one and is it any good? 

I've got the box and instructions too (not pictured)


I've got the box and instructions too (not pictured)