[single row] six layers (6 pairs of shoes can be placed) [double row] six layers (12 pairs of shoes can be placed) [four rows] six layers (24 pairs of shoes can be placed) [double row with pulley] six-layer heightening (can put 10 pairs of shoes +2 pairs of boots) [four rows with pulleys] six layers of heightening (20 pairs of shoes +4 pairs of boots can be placed) [single row] nine layers (9 pairs of shoes can be placed) [double row] nine layers (18 pairs of shoes can be placed) [double row with pulley] nine-layer heightening (16 pairs of shoes +2 pairs of boots can be placed) [four rows with pulleys] nine-layer heightening (32 pairs of shoes +4 pairs of boots can be placed) [single row] three-layer heightening (2 pairs of shoes +1 pair of boots can be placed) [single row] three layers (3 pairs of shoes can be placed) [double row with pulley] three-layer heightening (can put 4 pairs of shoes +2 pairs of boots) [four rows with pulleys] three-layer heightening (8 pairs of shoes +4 pairs of boots can be placed) [single row] two layers (2 pairs of shoes can be placed) [single row] six-layer heightening (5 pairs of shoes +1 pair of boots can be placed) [single row] nine-layer heightening (8 pairs of shoes +1 pair of boots can be placed) [single row and three sides transparent] transparent tea two layers (can hold 2 pairs of shoes) [single row and three sides transparent] transparent tea three layers (can hold 3 pairs of shoes) [single row and three sides transparent] transparent tea six layers (can hold 6 pairs of shoes) [single row three sides transparent] transparent tea nine layers (9 pairs of shoes can be placed) [single row] one layer (one pair of shoes can be placed)

(installation-free foldable one second pull)