You can use the new Molten Voltage Molten MIDI 2 to control the DigiTech Whammy 4, or use the programmable MIDI stompbox as a standalone MIDI Clock source for all your MIDI devices.
Offsite Link: For more information, visit the official Molten Voltage Web site.
The Molten Voltage Molten MIDI is described as the "World's smallest professional MIDI footswitch." If you want to find a smaller MIDI footswitch, you're gonna have to troll the "Casual Encounters" section on Craigslist.
Yes, you now have a reason to upgrade to a new A/B switcher. Molten Voltage introduces the Toggle; to call it a switcher would be an injustice. Toggle features seven different modes that automatically switch bewteen effects loops based on tap-tempo, playing dynamics and even external inputs. Insanity!