Global Foot Massage Machine Market Assessment, By Type [Foot Massager Roller, Air Compression Massager, Foot Spa Massager, Others], By End-user [Household, Commercial], By Price Range [Mass, Premium], By Distribution Channel [Supermarkets/Hypermarkets, Exclusive Stores, Multi-Branded Stores, Online, Others], By Region, Opportunities and Forecast, 2018-2032F