Mother's Day Gift cum Father's Day Gift - Hard to pick

Have been thinking over the past few days what to buy for my parents. They work so hard to bring me to life & bring me up as a good gal.. Our life is always full of ups & downs but we stay strong as a family and didn't give up on each other.. As Mother's Day & Father's Day is coming early by, I am thinking of what to buy for them.. I have the idea of buying something that they can both share.. Maybe I can use it too.. The choices are as follows.. (Photos are from http://www.otobodycare.com.sg/)

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My head is full of pain.. Thinking what is better for them... I think the foot one should be better ba... I really not sure.. HELP!!