If a Razor is Catching & Pulling as a Rough Guide it Probably Normal Beginner Problems with Bad Technique...You Can Blunt a Blade Quick with Bad Technique & Even Ruin an Edge Especially a Thinly Ground Blade...
That is Assuming the Razor its PROPER Shave Ready & I Can Tell Ya a Lot Aint...So....It Can be a Combination of the Two...A 4/8th Razor is Not Ideal to Learn to Shave with...They Can be Very Unforgiving/Sensitive Shaving Angle Wise...
And NO...You Shouldnt have to Strop it Half Way through a Shave...Ensure its Shave Ready...I Can Check it for FREE....Will Even Return Post it for Ya...If it Needs Honing Work I Can Let Ya Know...I Can Also Do the Work if it Needs it....
Billy