diff --git a/src/index.js b/src/index.js
index f068bcc..a696800 100644
--- a/src/index.js
+++ b/src/index.js
@@ -157,7 +157,29 @@ function normalize(vector, norm) {
     for (i = 0; i < vector.length; i++) {
       vector[i] = Math.sqrt(vector[i] / denom);
     }
-  } else { // i.e norm === "L2"
+  } else if (norm === "L2-hys") {
+    sum = 0;
+    for (i = 0; i < vector.length; i++) {
+      sum += vector[i] * vector[i];
+    }
+    denom = Math.sqrt(sum + epsilon);
+    for (i = 0; i < vector.length; i++) {
+      vector[i] /= denom;
+    }
+    for (i = 0; i < vector.length; i++) {
+      if (vector[i] > 0.2 || vector[i] < -0.2){
+        vector[i] = 0.2;
+      }
+    }
+    sum = 0;
+    for (i = 0; i < vector.length; i++) {
+      sum += vector[i] * vector[i];
+    }
+    denom = Math.sqrt(sum + epsilon);
+    for (i = 0; i < vector.length; i++) {
+      vector[i] /= denom;
+    } 
+  else { // i.e norm === "L2"
     sum = 0;
     for (i = 0; i < vector.length; i++) {
       sum += vector[i] * vector[i];