An article of infant footwear includes a sole made of a flexible, compliant layer of material with a thickness of between about 1 mm and about 3 mm. The shock dynamometer provides a reliable, convenient, economical, and compact method and device for testing suspension shock absorbers. Funds assigned to pseudo items are returned or not charged. As the tubing string is deployed from the reel into the well, the tool assemblies are interconnected between the connectors.