Black Friday / Cyber Monday

Inspired by the Peg Monster at Pocono Ninja (Freedom Gymnastics and Ninja, Brodheadsville, PA), the Dragon Pegs offer an extreme grip challenge like no other. Each 2-3 inch peg features a detailed, textured dragon claw clutching a smooth egg. This un…

What can make a 6″ grip more dynamic? Put a peg in it! Introducing the Peg Ball by Monstro Holds! We take a standard 6 inch training ball and add our own little twist by allowing you to insert a 1-1/4″ peg into it. Place multiple Peg Ball…

A 2-handed hanging vertical limit trainer sure to trip up any hanging line.   Specifications: 8" wide 1cm ledge Grippy texture

A single handed hanging vertical limit trainer sure to trip up any hanging line.   Specifications: 3" wide 1cm ledge Grippy texture

Your eyes are not deceiving you, the bolt is wider than this 1" chuck. If overgripping is a thing, this little bugger is going to test your ability to do so. With a narrow body and grippy texture, the grip stick is definitly more challenging than it.…

Hanging from ledges is essential to building grip strength for ninja based fitness. Can be mounted almost anywhere using a 2.5-3in wood screw.   Specifications: 16" long 1.5" finger depth 1.5" or 2" thick Grip texture

The Soapy Bar is a super tiny bar hold that will test your pinch like no other!

Hanging from ledges is essential to building grip strength for ninja based fitness. The Monstro Holds cliff ledges are designed with a dual texture offering a gritty, super grippy side for beginners and since we mold ours direct from solid oak, the o…

A semi-spherical grip training device with an embedded J-hook allowing you to take the sphere with you and train precise moves.   Specifications: 2.75 in diameter flat surface for easy storage Grippy texture 3/8 zinc-played J-hook

Introducing the Ledge Ball by Monstro Holds!   We take a standard 6 inch training ball and place a 1.5 inch ledge on one side to add a whole new way to traverse a hanging route. Place multiple Ledge Balls in a grip route for a unique training...

The Monstro flare is a hanging hold that will put your pinch grip to the test! With a half inch top end flared down to 2 inches, an underhanded grab will stress your hands and build strength like no other. Unlike a 2x4 pinch, the flared shape adds a …

The ultimate limit is a training grip for the extreme! Like the famous “Vertical Limit” obstacle, there is a 1 centimeter lip that tests your finger and grip strength to the limit. It is possible to beat, but where do you go from there? O…

These uncut cliff ledges are 11.5" long and 1 5/8" deep with a slight incut on both sides Specifications: 11.5 inches long 1 5/8" deep grippy texture

The Horizontal Grip is the perfect addition to any grip line, offering a unique challenge with its horizontal design. At 2.5" thick, it strikes an ideal balance between ease and difficulty, making it versatile for ninjas of all levels. Its light text…

The Mini Cone is a compact, one-handed grip designed to challenge athletes by encouraging a full hand wrap around its tapered shape. With a diameter narrowing from 2.25" to 1", this hold forces precision and control, making it ideal for targeted grip…

The first entry into our “Slip Series” line. The 1.5in thick Slip Chucks! Each chuck is 1.5in in diameter and 8 inches tall the bolt, 10.25 in total. The Slip Chucks have a super slick, automobile style finish to truly test your grip stre…

Cone grip trainers are great for anyone, beginner to advanced, to build grip strength. The coned shape is versatile for most hand sizes allowing you to move down the cone as your strength increases. 1.5 in top diamter 3 in bottom diameter 6.5 in tal…

We are often asked if we have thought about making certain types of products and the Jugster is no different. This particular idea was spawned by a conversation with none other than the First American Ninja Warrior, Geoff Britten! The Jugster is mean…

By popular demand we are now offering these black oxide rings to make using our hooked products much easier. Each ring is 2 inches in diameter and welded for strength. Available individually or in packs of 5.  

A marriage between our amazing Peg and Ledge Balls! The Muscle Ball includes the best of three worlds: a 1-1/4" Peg receiver, a 1-1/2" Hemispherical Ledge, and the option to use it like a 6″ spherical grip. One of these babies coupled with a pe…