How to disable stock SIP methods

I don't like soft keyboards; they always pop up when you don't want them to, which for owners of a QWERTY device, is most of the time. After quite a bit of registry searching, I found the keys which toggle the four default soft input methods:

Keyboard:[HKEY_CLASSES_ROOT\CLSID\{42429667-ae04-11d0-a4f8-00aa00a749b9}\IsSIPInputMethod]

Letter Recognizer:[HKEY_CLASSES_ROOT\CLSID\{42429690-ae04-11d0-a4f8-00aa00a749b9}\IsSIPInputMethod]

Block Recognizer:[HKEY_CLASSES_ROOT\CLSID\{42429691-ae04-11d0-a4f8-00aa00a749b9}\IsSIPInputMethod]

Transcriber:[HKEY_CLASSES_ROOT\CLSID\{F0034DD0-2AD4-11d1-9CB0-E84BE8000000}\IsSIPInputMethod]

To toggle them, just change the "Default" key in the IsSIPInputMethod folder to 0 instead of 1.

Note: if all SIPs are disabled the system will still default to the keyboard. Installing FakeSIP and setting it as the primary input method using SIPChange solves this issue.