Resin Obstacles

Level up your grip strength with The Gamer, a video game controller-shaped ninja hold designed for ultimate two-handed training. The textured body provides a secure, comfortable grip, while the smooth buttons and D-pad add variety for your hands to w…

Sometimes even the most simple training tools can benefit from a little design refresh. Monstro's pure polyurethane pegs are 1-1/4 in diameter, come in a variety of colors and will not swell or splinter with the changing seasons. Not meant for lungin…

The Peg Grasper is a simple hold that takes a common design and turns it into something completely new and extremely functional. Unlike any other door knob or ring toss, the Peg Grasper can also take a 1-1/4 inch peg, standard peg board size, allowin…

The T-Ledge is another way Monstro Holds is testing the finger strength of ninjas across the world! With a double-sided, 6 inch, 1.5 in deep ledge, the T-Ledge adds a whole new level of difficulty to your routine. With a 3/8 eye bolt to hang it from.…

The Peg Grasper transforms a familiar design into something entirely innovative and highly functional. Distinct from typical door knobs or ring tosses, it can be used with a 1-1/4" inch peg, opening up a variety of uses within a compact footprint...

Get two Peg Balls and a set of matching Poly Pegs with this bundle!   Monstro takes a standard 6 inch training ball and adds their own little twist by allowing you to insert a 1-1/4 peg into it. Place multiple Peg Balls in a grip route for a uni…

Fly through your course with confidence using the Flying V, a versatile resin obstacle designed for powerful two-handed grips. Shaped like a “V” and hung upside down, this 45° angled hold challenges athletes to maintain control while.…

The Bowl from Monstro is a fun hold allowing Ninjas of all skill level to grab, swing and transition from one hold to another in a variety of ways. With a super comfy 1.25" lip, the Bowl can add tons of fun to any grip or swing line.   8 Inc…

The 12" Limiter is considered the standard in underhand ninja grip training.    Specifications: 12" long x 2" wide 2" tall with a 7/8" vertical limit includes seven 3" screws required for mounting Mounts easily to any door jam or 1.5"...

The Limiter is considered the standard in underhand ninja grip training. The Mini Limiter is great for placing and forcing single handed grabs,   Specifications: 4" long includes three 3" screws required for mounting Mounts easily to any door j…

Compact yet challenging, the 4" Mini Riser Cliff features a 20-degree upward slope that creates a friendlier grab point in a smaller format. Its reduced size demands accuracy and control while still offering a secure feel on dynamic moves. Flip it to…

The 12" Riser Cliff features a gentle 20-degree upward slope that gives your fingers a natural resting point, making it easier to latch onto than a flat or downward-sloped hold. This design reduces slip while still engaging your grip strength during.…

The Nugget Cliff is an 8" resin cliffhanger inspired by the shape of a gold bar. Its angled sides and unique slopes create multiple grip challenges in one compact design. Depending on hand placement, athletes will encounter varied levels of difficult…

The 12" Sloper is built for power and open-hand strength. Designed with a 45-degree slope, this hold pushes athletes to rely on body positioning and friction rather than finger strength alone. Similar in style to the Paddle Cliffs and Mini Sloper,...

The V Cliff is a resin cliffhanger designed to test grip precision and control. Measuring 14" wide in total, it features two angled cliffs that form a V shape. With vertical limits integrated into the design, this cliffhanger forces athletes to commi…

These are the chucks you're looking for. The Magnetic Saber Chucks take our sci-fi-inspired holds to the next level with the added challenge of magnetic force. This dynamic pair connects at the base using high-quality magnets, creating a thrilling...

The Puzzle Cube is a bold new challenge for grip training. With its oversized blocky shape and textured surface, this 3.5" x 3.5" resin obstacle tests your grip strength and control in dynamic ways. Whether used for swinging, pinching, or dead hangs,…

The Magnetic Eggs add an unpredictable twist to your grip training. The smooth, tapered shape of the Eggs require precision and finger endurance to maintain a secure hold. Featuring high-quality magnets at the base, the Eggs connect together until an…

The Egg is a unique addition to your ninja training setup, offering a fresh challenge for grip strength and control. With its smooth, tapered shape, it requires precision and finger endurance to maintain a secure hold. Whether you're using it for dea…

The Lightning Bolt ninja hold, designed in collaboration with Joe Moravsky, brings a shock of excitement to any ninja course! This versatile resin hold may look simple, but it offers endless possibilities for dynamic moves and creative setups. Whethe…