JUDGING FROM THE PATERN YOU USED I THINK YOU FINISHED IT IN GOOD TIME ,,,,CHECK OUT PATERNS FROM TANDY ,,,THEY WILL TAKE HALF THE TIME AND ARE LOTTS SIMPLER TO DOO,,,I SEW MINE WITH AN OLD HAND CRANK SEWING MACH" I HAVE HAD FOR 30YRS' ...I USE CHROME TANED CALF AND NO PUCKERING...ALL THOSE SEAMS AND GUSSETS JUST ADD TO THE PROBLEMS ,,TRY THE SIMPLEST PATERN FIRST ,,US DENEM TO PRATICE ON ITS CHEAP,,IT IS HARD TO MAKE MONEY ON VESTS I KNOW ,,BEEN TRYING FOR YEARS,,LET ME KNOW HOW IT ALL TURNS OUT ,,,,,DOC.... PM..THE PLASTIC WOOD FINISH WILL SEAL THE PAINT AND LEATHER JUST FINE ,,I USE IT ON ALL MY BUCKLES AND BELTS , HAVE FOR 20YRS' , SEAMS TO LAST BETTER THAN ALL ELSE TRIED ,,NO ONE ELSE AGREES WITH ME BUT I HAVE WALLETS ,BELTS ,BUCKLES WITH 10 YRS' OF USE , STILL GOING STRONG TO THIS DAY AND PEOPLE RETURNING FOR MORE,,,,,