[Harp-L] bending using tongue block corner switches

[Captron100@xxxxxxx]

In a message dated 1/15/2006 5:04:40 P.M. Eastern Standard Time,  
harp-l-request@xxxxxxxxxx writes:

Right  now some one is employing the illusive and widely feared X-block on 
the one  over-blow naked better than Little Walter.



Ya lost me on that one, and i speak English right here in the  USA.  If this 
is serious, what is x-block?  Also, can someone  point me to an example of a 1 
hole OB?
ron