Lego piece with hole top

Product Name: Lego piece with hole top
Lego Technic Brick 1 x 1 with Hole Parts Pieces Lot Building Blocks ALL COLORS top, Technic Brick 1 x 2 with Hole Part 3700 BrickLink top, Lego Plate Modified 1 x 2 with Pin Hole on Bottom Parts Pieces Lot ALL COLORS top, Amazon LEGO Parts and Pieces Technic White 1x1 Brick with Hole x20 Toys Games top, 15 pieces Lego Technic Brick 1x4 studs with holes in black by LEGO Building Sets Amazon Canada top, Technic Brick 1 x 1 with Hole Part 6541 BrickLink top, I have never seen this piece with the hole at the foot of it Anyone know what the purpose of it is r lego top, LEGO part 3172 Plate Special 1 x 2 with Pin Hole On Side New Elementary LEGO parts sets and techniques top, Technic Brick 1 x 2 with Hole Part 3700 BrickLink top, Technic Brick 1 x 4 with Holes Part 3701 BrickLink top, Lego Technic 3700 4211252 brick pin hole 1x2 reddish brown top, 3700 LEGO Parts 6 Technic Brick 1 x 2 with Hole 3700 DARK BLUISH GRAY top, Amazon LEGO Parts and Pieces Technic Dark Gray Dark Stone Grey 1x2 Brick with Hole x100 Toys Games top, Technic Brick 1x2 Axe Hole LEGO Part 32064 Super Briques top, LEGO Black Brick 1 x 1 with Hole 6541 top, The Most Underrated LEGO Brick YouTube top, Lego Brick Round 2 x 2 with Pin Holes Parts Pieces Lot ALL COLORS top, Lego Technic 32064 31493 4233487 4114294 6178922 brick axle hole 1x2 black top, Plate Special 1 x 2 with Pin Hole Underneath LEGO Part 28809 Super Briques top, LEGO Brick 1 x 1 with Hole 6541 Brick Owl LEGO Marketplace top, LEGO Bricks Technic Brick 1x2 with Hole 3700 top, Old Elementary Eero Okkonen s LEGO tidbits New Elementary LEGO parts sets and techniques top, Hole in hair piece r lego top, Lego Technic 3700 6212010 4215402 brick pin hole 1x2 dark red top, LEGO Part 71752 Pack of 4 in Black Brick 2x2x2 3 Ribbed w Axle Hole 6325254 eBay top, Technic Brick 1 x 1 with Axle Hole LEGO Part 73230 Super Briques top, LEGO Black Brick 1 x 2 with Axle Hole Opening and Bottom Tube 31493 32064 Brick Owl LEGO Marketplace top, LEGO Part Blue Technic Brick 1 x 1 with Hole Brick Land top, Amazon LEGO Parts and Pieces Technic Light Gray Medium Stone Grey 1x12 Brick with Holes x1 Toys Games top, LEGO part 3176 Red Plate Modified 3 x 2 with Hole at BrickScout top, LEGO Brick 2x2 round with Pin Hole BLACK BLACK 6195273 17485 top, LEGO PART 32064a Technic Brick 1 x 2 with Axle Hole Type 1 Opening and Bottom Pin Rebrickable Build with LEGO top, LEGO part 3172 Plate Special 1 x 2 with Pin Hole On Side New Elementary LEGO parts sets and techniques top, Lego Com Bricks Pieces Pieces Lego Blocks Lego Pieces Holes Lego Pieces Sale 10pcs Aliexpress top, Why use this specific piece with a hole through when it s just going to be covered up r lego top.