I cannot find my bottle of Tweek so I need to buy some new contact
enhancer. Which one do you use and recommend?

I have looked on eBay and contact enhancers come in liquids that you
apply with a brush, squeeze tubes, and aerosol sprays. Which form
do you think is best? Thank you in advance for all replies.
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When I am in the kitchen, I often kick one of my cat's balls.
After I kick it, he will sometimes play with it for a few
seconds to several minutes. His favorite are the ones that
rattle. He'll play with any ball that makes noise.