Possible Clues:

• Term of affection
• Perhaps a young tom tit fluttering in the boy's grasp
• Maybe Tom is not yet at large (6)
• Little cat
• Provide equipment for under-eleven youngster
• Equipment to look after tailless pet
• Young feline animal
• Young animal broke trinket right away
• 'Little Tom, like as not, among the litter (6)'
• Beastly young Christopher Jefferson!