20 Most Recent DIGITECH RP500 Guitar Multi-Effects Pedal Questions & Answers

This might work - Hold the bypass switch for five seconds and follow the on screen instructions to calibrate the expression pedal. If that doesn't work you could also try doing a back up and then a factory reset. You may also consider a separate wah pedal. There are many recommendations at: What Is The Best Wah Pedal For The Money Our Answer For You

If you open up the unit, you may be able to fix the jack if it has come loose and maybe got a broken connection in the process. It may just be a "cold solder joint" causing the problem

The Nike GPS monitor fits into your sneaker and you can track your progress on your iPhone or iPod with a special app. You can download the app from the iTunes app store.

http://nikerunning.nike.com/nikeplus/v1/pdf/English.pdf

I have always washed my sneakers in the washing machine, if they have air bubbles make sure that you wash them on a cold wash and not too hot as this can cause the bubble to expand and rupture.

It is unlikely that the bubble can be repaired but Nike does have a 2 year warranty depending on the wear and tear of the shoe, you could take them to the store you got them and see what they say.