Type # within a double quoted string to insert #{} or wrap the selection in it.
How it works (aside from cursor movements, the only key I press is #):
0.1.0 Fork from andyjeffries with fix of deprecated call. original README http://github.com/andyjeffries/ruby-string-interpolation/README.md
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.