As for the reason for abstaining from blowing the shofar on Shabbat, that's due to the fear of carrying the instrument itself!

Source: https://www.heritagefl.com/story/2023/09/08/features/7-sweet-facts-about-rosh-hashanah-you-may-not-know/18743.html

I was invited to a bris at an orthodox synagogue this past week and they blew the shofar at the end of services.

Source: https://tjpnews.com/blowing-the-shofar-during-elul/?utm_source=rss&utm_medium=rss&utm_campaign=blowing-the-shofar-during-elul

When we hear the shofar this year, one goal for this year should be to simply try to notice the experience of hearing the sound of the shofar.

Source: https://www.jewishpress.com/indepth/opinions/three-ways-to-unlock-your-potential-this-rosh-hashana/2023/08/31/

When we hear the shofar this year, one goal for this year should be to simply try to notice the experience of hearing the sound of the shofar.

Source: https://www.jewishpress.com/indepth/opinions/three-ways-to-unlock-your-potential-this-rosh-hashana/2023/08/31/