Possible Clues:

• Small mechanical device
• Gate play entertains important executive - as a device it's ingenious
• Many an infomercial offering
• Thingie
• Device to acquire after good commercial
• Horse carries father back to alien with quirky machine
• Lord of old to acquire gismo
• Get to the end of the yoke in Ireland
• Wander about to obtain appliance
• Ingenious device specially tagged