My dad has had good luck with this:

Get some small size hardware cloth - that wire mesh with roughly 1/4" square holes - and wrap it loosely around the hose.

Then again my mom has also had good luck with a Remington pump action pellet gun

jlc

__________________
Jeff

'87 560SEL 267K (177K on motor) Blue/Blue
'98 Buick LeSebre 60K (wife's car)
'56 Imperial Sedan 124K
Past Cars:
'67 Dodge Monaco 130K (Sold)
'87 Chrysler 5th Ave 245K and going strong (sold)
'73 Plymouth Satillite 175K (sold)
'96 Chrysler LHS 80K (totaled)