Inserts TRIZ Cases

See how a removable cleansing pad attached to the shoe upper enables hands-free sole cleaning d

See how a removable shoe-mounted cleaning member with segmented design restores grip during gam

An internal instep pad and lace lock tighten pull-on boots toward the heel to improve fit security without changing outer boot dimensions.

A resin-coated seamless liner replaces stitched seam sealing in waterproof shoes, improving leak integrity while cutting tape and assembly cost.

A removable inner shoe separates inspection, washing, and replacement from the protective outer shoe, helping minimize wrinkles and pressure sores.

An adhesive ankle closure and form-fitting elastic material make a disposable sock easier to apply while supporting hygiene and grip.

A central instep attachment with an offset weight coupling creates torque for targeted pronation and supination rehabilitation.

This case uses separate couplings to offset a shoe weight, creating torque for targeted pronation and supination rehabilitation.

Segmenting the footwear into separable layers resolves the trade-off between workshop protection and office comfort.

Segmenting the shoe into a universal shell and dynamic booties resolves adaptability versus complexity by enabling easy swapping of ball control elements.

Segmented straps and wrap-around sole resolve fastening reliability issues on wet surfaces.

A foot-carried orthotic fitment snugly spaces footwear from the foot to stabilize lateral and fore-aft positioning.

A snowboard boot liner harness uses a cord and tensioning mechanism to secure the ankle.

Pre-formed cavities in the shape correcting member accommodate bony protrusions, eliminating irregular surfaces that cause unpredictable ball rebound.

A triangular polyurethane insert restores pointed toe box geometry by expanding against interior surfaces, preventing material deformation during wear.

Variable density foam zones balance foot support and comfort in sports shoe liners by deviating from theoretical compression laws.

Elastic footwear base with side pads and enlarged toe opening improves injury protection and ground contact balance.

Segmented layers with adhesive backing reduce internal shoe length to resolve sizing inconsistencies while preserving toe space and comfort.

A neoprene footwear warming device holds hot liquid to uniformly heat and dry the boot interior.

Segmented pressure pad with adjustable straps targets specific muscles to resolve restless leg syndrome symptoms during extended wear.

Lateral split opening and medial extraction resolve uneven wear on the toe region while maintaining structural stability.

Flexible foam inserts maintain sneaker shape without the weight and storage burden of traditional shoe trees.

Removable footwear inserts with high heat capacity materials resolve the contradiction between effective thermal treatment and user mobility.

An adhesive cap replaces irregular laces with a smooth high-friction surface, ensuring predictable ball control and reliable engagement.