Hosa D5S-6 CAIG DeoxIT 5% Spray Contact Cleaner, 5 oz. Woodwind Instruments or you can substitute a

or you can substitute a dpdt switch

It also behaves like a very powerful EQ that lets you create exciting new tones that will set your recordings apart

and comes with its own carrying case

Will handle up to 145dB SPL

Hosa D5S-6 CAIG DeoxIT 5% Spray Contact Cleaner, 5 oz. Woodwind Instruments or you can substitute aDeoxIT is a fast acting deoxidizing solution designed for use as a general treatment for connectors, contacts, and other metal surfaces. More than a contact cleaner, DeoxIT chemically improves electrical connections. Features Cleans, protects, lubricates, and improves conductivity Reduces intermittent connections, arcing, and RFI as well as wear and abrasion Safe for use on all metal connectors and will not harm plastics Size: 5 oz