diff --git a/packages/core/pattern.mjs b/packages/core/pattern.mjs
index f6afb7df..41ff5b7f 100644
--- a/packages/core/pattern.mjs
+++ b/packages/core/pattern.mjs
@@ -1386,6 +1386,7 @@ export function pr(args) {
 }
 
 export const add = curry((a, pat) => pat.add(a));
+export const chop = curry((a, pat) => pat.chop(a))
 export const chunk = curry((a, pat) => pat.chunk(a));
 export const chunkBack = curry((a, pat) => pat.chunkBack(a));
 export const div = curry((a, pat) => pat.div(a));