Bucket of water with good dose of washing up liquid mixed in. Spray bottle same mix. Silicon corners, use ice lolly stick ( that's been soaked in bucket), spray and scrape Silicon, 10 cm ish at a time, swish lolly stick in bucket and repeat. Dip hand in bucket and wipe finger over Silicon. Straight lolly sticks for thin finish, 8 shaped lolly sticks for normal finish. I pick up discarded lolly sticks all the time, my nippers at it for me now bless her. Just call me a womble, making good use of the things that I find ( any one under 30 get a grown up to explain that one to you) ;-)