diff --git a/tetris/rulesets/dtet-h.lua b/tetris/rulesets/dtet-h.lua
new file mode 100644
index 0000000..1a18f90
--- /dev/null
+++ b/tetris/rulesets/dtet-h.lua
@@ -0,0 +1,35 @@
+local DTET = require 'tetris.rulesets.dtet'
+
+local DTETH = DTET:extend()
+
+DTETH.name = "D.R.S.-H"
+DTETH.hash = "D.R.S.-H"
+
+DTETH.are_cancel = false
+
+function DTETH:attemptWallkicks(piece, new_piece, rot_dir, grid)
+	
+	local kicks
+	if piece.shape == "O" then
+		return
+	elseif rot_dir == 1 then
+		kicks = DTET.wallkicks_cw
+	else
+		kicks = DTET.wallkicks_ccw
+	end
+
+	assert(piece.rotation ~= new_piece.rotation)
+
+	for idx, offset in pairs(kicks) do
+		kicked_piece = new_piece:withOffset(offset)
+		if grid:canPlacePiece(kicked_piece) then
+			self:onPieceRotate(piece, grid)
+			piece:setRelativeRotation(rot_dir)
+			piece:setOffset(offset)
+			return
+		end
+	end
+
+end
+
+return DTETH
\ No newline at end of file