Puts in a snug spot

• Secures under cover, with "in"
• Nips companions
• Puts to bed, with "in"
• Partners of nips
• Sewn folds
• Gives some TLC to, with "in"
• __ in (covers snugly with a blanket)
• Tailor's pleats

Wikipedia Word definitions in Wikipedia
Tucks may be: Tuckerman Ravine Tucks Pads , product of Johnson & Johnson pharmaceutical manufacturer