Portable milk frother (Fig.20.12) is small electric equipment (commonly battery operated) used to froth milk as to create foam for cappuccino, coffee and Chocolate drink, suitable for pantry room in hospitals and office buildings, hotel rooms & suites, small coffee shops and cafeterias, domestic use, etc.

Fig.20.12 Portable milk frother - WIK – GERMANY
Market example:
As shown in Fig.20.12, a Portable milk frother with the following features; for cappuccino, café au lait and hot chocolate, milkshakes and hot or cold dressings and sauces, with wall/table holder, operated with 2 x 1.5 V Mignon batteries/type AA (included), model (9415), manufactured by “WIK” – Germany. (See manufacturers' directory for more information about this company).