Resin Obstacles

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…

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…

The Banana hold brings a fun twist to your ninja course while delivering a serious grip challenge. Its banana shape isn’t just for looks—it’s designed to test ninja’s strength and coordination! Made from durable resin, this ho…

Meet the Snowman ninja hold—a frosty challenge that will put your grip strength to the test! This multi-textured hold is designed with a grip-textured body for a secure grasp and a slip-textured head to dial up the difficulty. Shaped like a cla…

Get ready to add some flavor to your ninja training with the Turkey Leg! This fun ninja hold mimics a scrumptious turkey leg, bringing the meat and bones to any ninja course. The Turkey Leg hangs from the thigh with an eyebolt. The bone-shaped leg...

Take your grip training to the next level with the Magnetic Mini Cones. These compact, one-handed grips feature high-quality magnets at the base, allowing you to connect and separate them mid-challenge for an added layer of unpredictability. With a..…

The Magnetic Starter Chucks take grip training to the next level by incorporating magnetic connections in the bases for an added challenge. Designed to help ninjas transition from a tapered grip to a full vertical grip, these holds now offers a dynam…

Step up your grip training with the Magnetic Grip Chucks, featuring high-quality magnets at the base for a unique challenge. These 2" diameter holds connect seamlessly and break apart when grabbed, creating an unexpected "drop" effect that pushes...