ds smashed a glass this morning and i spent ages carefully clearing it up but not carefull enough as this lunch time dd stood on a very small piece and it went into the sole of her foot - i couldnt see or feel it but it did bleed and is very sore she cant put her foot down properly,what can i do ? i mean if i cant see it how do i know if its still in there - she has a 15 minute walk to school tomorrow