At the core of the product is a patented use concept that sets it apart from any conventional grip trainer. Instead of isolated hand and forearm training, the EGGspander engages the upper body holistically through bilateral resistance work. Stainless-steel springs provide adjustable resistance, allowing users to tailor intensity to individual strength levels, while the natural ergonomic shape adapts to both palms.
The design also focuses on tactile quality. The outer material is a silicone compound, selected for its grip feel, FDA-compliant and food-safe properties, and allergy-friendly characteristics. Reinforced silicone-stainless-steel composites ensure longevity, making the device robust enough for long-term use in a variety of settings—from physiotherapy to fitness studios to at-home activation. “Every retailer sells and every customer uses the established grip trainer, although the effects of it are limited. Our product enables retailers to offer a new device to customers which keeps its promise when it comes to training results,” Stamer adds.
This dual-hand movement pattern expands training effects substantially, activating chest, shoulders, back, arms and core—an approach validated by functional strength experts such as Romeo Jackson, 4× Mr. Holland Bodybuilding Champion and part of the development team.
One of the strongest appeals of the EGGspander is its high accessibility. It is designed for users across all age groups and ability levels—from younger athletes to older adults, from healthy individuals to those recovering strength through physiotherapy routines. The device fits in any bag, weighs little, and can be used at home, at the office, during travel, or as a quick activation tool between tasks.
This ease of use aligns with broader shifts in consumer behavior: a rising preference for micro-workouts, stress-relief tools and mobile equipment that supports hybrid lifestyles. Retailers benefit from the simple explanation and broad applicability: a single SKU that serves strength training, concentration work, stress reduction and functional mobility. The brand supports this accessibility with training and instructional content via a dedicated YouTube channel, helping users integrate the tool into regular routines without the need for professional supervision.
Beyond functional performance, the EGGspander incorporates durable materials that support long-term use. The stainless-steel components and reinforced silicone surfaces are designed for frequent repetition without material fatigue. Local production in Germany minimizes logistical impact and ensures consistent quality control—an important factor for retailers seeking reliable, straightforward products without complex after-sales requirements.
The ISPO Award 2025 highlights the product’s clear positioning: a compact, portable tool that brings a new dimension to strength and coordination training. With its patented bilateral mechanism, inclusive target group and long-lasting construction, the EGGspander offers retailers a differentiating addition to their fitness assortment and gives consumers a versatile tool that supports health and performance in everyday life.
“The EGGspander convinced the ISPO Award jury by introducing a patented two-hand training mechanism that fills a clear gap in the functional fitness market. While traditional grip tools offer limited impact, the EGGspander activates up to 85% of upper-body muscles and enables meaningful training in a compact, mobile format. Its adjustable resistance and durable materials create a versatile solution that extends from physiotherapy to everyday strength routines.”
ISPO Award Jury
- Patented two-hand training concept
- Inclusive and accessible for all users
- Compact, mobile and highly versatile
- Durable, ergonomic and resistance-adjustable
Available: since June 2025
RRP: € 48.88
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