diff --git a/static/bootstrap/stylesheets/_bootstrap-mincer.scss b/static/bootstrap/stylesheets/_bootstrap-mincer.scss
new file mode 100644
index 0000000000000000000000000000000000000000..0c4655e32d2f6ee2ff8e2b3a20ec0e603e8bf057
--- /dev/null
+++ b/static/bootstrap/stylesheets/_bootstrap-mincer.scss
@@ -0,0 +1,19 @@
+// Mincer asset helper functions
+//
+// This must be imported into a .css.ejs.scss file.
+// Then, <% %>-interpolations will be parsed as strings by Sass, and evaluated by EJS after Sass compilation.
+
+
+@function twbs-font-path($path) {
+  // do something like following
+  // from "path/to/font.ext#suffix" to "<%- asset_path(path/to/font.ext)) + #suffix %>"
+  // from "path/to/font.ext?#suffix" to "<%- asset_path(path/to/font.ext)) + ?#suffix %>"
+  // or from "path/to/font.ext" just "<%- asset_path(path/to/font.ext)) %>"
+  @return "<%- asset_path("#{$path}".replace(/[#?].*$/, '')) + "#{$path}".replace(/(^[^#?]*)([#?]?.*$)/, '$2') %>";
+}
+
+@function twbs-image-path($file) {
+  @return "<%- asset_path("#{$file}") %>";
+}
+
+$bootstrap-sass-asset-helper: true;