This topic is about finding ways to keep a colostomy bag secure for someone who also has chronic psoriasis on their abdominal skin. The usual adhesive wafers don't stick well due to the inflamed and flaky skin, leading to leaks and making it difficult to leave the house. Here are some practical suggestions and products that might help:

1. Consider using a non-adhesive baseplate instead of sticking the pouch directly onto irritated skin. You can make a reusable baseplate from materials like plastic skirting board or aluminum, cutting a hole to fit the stoma.

2. Secure the baseplate with two adjustable elastic ostomy belts. These can be borrowed from systems like Coloplast and Dansac. Attach them at the top and bottom of the baseplate to adjust the tension according to your body shape.

3. To prevent the baseplate from sliding and to create a good seal, apply double-sided carpet tape to the side of the baseplate that touches the skin. You can also use a Conseal Stomaguard, a soft rubber sleeve that supports the stoma and helps guide output into the pouch, reducing issues like pancaking.

4. Consider these optional accessories and modifications:
- Use an orange rubber ring cut from a Dansac placemat, which is more durable than standard barrier rings.
- If you're allergic to the belt material, use protective fabric sleeves over the elastic belts.
- The baseplate concept can also work with alternative collection methods, such as condom-style sleeves, if you want to try different options.

These suggestions involve using products like Coloplast and Dansac belts, a ring derived from a Dansac placemat, Conseal Stomaguard, and double-sided carpet tape, which can be found at hardware stores.