THANK YOU,FOR THOSE WONDERFUL IDEAS,AS THERE IS NOTHING WORSE,THAN NOT KNOWING WHERE YOUR CAT IS,AND THE WORRYING,IS OFTEN WORSE,THAN THE REALITY,WHICH,IS THAT YOUR CURIOUS CAT,IS DOING A LITTLE EXPLORING.THANK YOU GAIN,THOSE HINTS,I THINK,WILL SAVE A CATS LIFE,ONE DAY.