multi-shadow

@include multi-shadow(0px 1px 2px 0px rgba(0, 0, 0, 0.296875) inset, 0px 1px 0px 0px rgba(255, 255, 255, 0.597656))

@mixin multi-shadow($shadow-1, $shadow-2: false, $shadow-3: false, $shadow-4: false, $shadow-5: false, $shadow-6: false, $shadow-7: false, $shadow-8: false, $shadow-9: false)
  $full: $shadow-1
  @if $shadow-2
    $full: $full + "," + $shadow-2
  @if $shadow-3
    $full: $full + "," + $shadow-3
  @if $shadow-4
    $full: $full + "," + $shadow-4
  @if $shadow-5
    $full: $full + "," + $shadow-5
  @if $shadow-6
    $full: $full + "," + $shadow-6
  @if $shadow-7
    $full: $full + "," + $shadow-7
  @if $shadow-8
    $full: $full + "," + $shadow-8
  @if $shadow-9
    $full: $full + "," + $shadow-9
    
  -moz-box-shadow: $full
  -webkit-box-shadow: $full
  -o-box-shadow: $full
  box-shadow: $full

Awesome. Just what I needed. I also just added a gist with this in SCSS form, to save someone the extra typing: http://gist.github.com/601806

(I guess forking it would be better, so I did that as well)