diff --git a/qmk/users/artsey/layout/remixes/boards/crkbd_rev1.h b/qmk/users/artsey/layout/remixes/boards/crkbd_rev1.h
index e024b1d5..9714f416 100644
--- a/qmk/users/artsey/layout/remixes/boards/crkbd_rev1.h
+++ b/qmk/users/artsey/layout/remixes/boards/crkbd_rev1.h
@@ -39,3 +39,16 @@
 #define BIG_BETWEEN_ROW_THREE_THUMBS_NONES KC_NO, KC_NO, KC_NO, KC_NO,
 #define BIG_TRAILING_NONES
 #endif
+
+#ifdef ARTSEY_TWO_THUMB
+#define ARTSEY_BIG_LAYER_MSE_LEFT_THUMBS KC_NO, KC_NO
+#endif
+#ifndef ARTSEY_TWO_THUMB
+#define ARTSEY_BIG_LAYER_MSE_LEFT_THUMBS
+#endif
+
+#define ARTSEY_BIG_LAYER_MSE_LEFT \
+KC_NO, KMSE_T4, KMSE_T3, KMSE_T2, KMSE_T1, KC_NO,        KC_NO, KMSE_T1, KMSE_T2,  KMSE_T3, KMSE_T4, KC_NO, \
+KC_NO, KMSE_B4, KMSE_B3, KMSE_B2, KMSE_B1, KC_NO,        KC_NO, KMSE_B3, KMSE_B2,  KMSE_B1, KMSE_B4, KC_NO, \
+KC_NO, KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,        KC_NO, KC_NO,   KC_NO,    KC_NO,   KC_NO,   KC_NO, \
+                         KC_NO,   KC_NO,   KC_NO,        KC_NO, KC_NO, KC_NO
diff --git a/qmk/users/artsey/layout/remixes/combos/control.def b/qmk/users/artsey/layout/remixes/combos/control.def
index 208d043c..abb522c5 100644
--- a/qmk/users/artsey/layout/remixes/combos/control.def
+++ b/qmk/users/artsey/layout/remixes/combos/control.def
@@ -2,4 +2,4 @@
 // SPDX-License-Identifier: Apache-2.0
 
 //   NAME                            RESULT                         TRIGGER
-COMB(combo_kmn_base_altf4,           LALT(KC_F4),                   KC_SPACE, KC_ESC)
\ No newline at end of file
+COMB(combo_kmn_base_altf4,           LALT(KC_F4),                   KC_SPACE, KC_ESC)
diff --git a/qmk/users/artsey/layout/remixes/combos/layers.def b/qmk/users/artsey/layout/remixes/combos/layers.def
new file mode 100644
index 00000000..d0631bf5
--- /dev/null
+++ b/qmk/users/artsey/layout/remixes/combos/layers.def
@@ -0,0 +1,5 @@
+// Copyright (c) 2021 Mike "KemoNine" Crosson
+// SPDX-License-Identifier: Apache-2.0
+
+//   NAME                            RESULT                         TRIGGER
+COMB(combo_layer_basemse_kmn,        TG(LAYER_ID_MOUSE),            KC_HOME, KC_DOWN, KC_END)